spheno-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Etymology: < Greek σϕηνο-, combining form of σϕήν wedge, employed in a number of scientific terms.

1. Anatomy. In adjectives which designate something pertaining to the sphenoid bone together with the part specified by the second element of the compound.Some of these represent Latin formations, as sphenopalatinus, -pharyngæus, in use from at least the 17th cent. Cf. also French sphénobasilaire, -maxillaire, -palatin, etc.

spheno-basilar adj.

Brit.

/ˌsfiːnə(ʊ)ˈbazᵻlə/

/ˌsfiːnə(ʊ)ˈbasᵻlə/

U.S.

/ˌsfinoʊˈbæzələr/

/ˌsfinoʊˈbæsələr/

/ˌsfinoʊˈbeɪsələr/

ΚΠ

1849 J. Craig New Universal Dict. Spheno-basilar.

1904 W. L. H. Duckworth Study Anthropol. Lab. 213 The spheno-basilar suture.

sphenobasilic adj.

Brit.

/ˌsfiːnə(ʊ)bəˈsɪlɪk/

U.S.

/ˌsfinoʊbəˈsɪlɪk/

ΚΠ

1897 T. C. Allbutt et al. Syst. Med. IV. 486 Premature synostosis of the spheno-basilic suture.

sphenofrontal adj.

Brit.

/ˌsfiːnə(ʊ)ˈfrʌntl/

U.S.

/ˌsfinoʊˈfrən(t)l/

ΚΠ

1830 R. Knox tr. P. A. Béclard Elements Gen. Anat. 280 Of this kind are the spheno-frontal sutures.

1884 J. E. Lee tr. Römer Bone Caves of Ojcow 29 A synostosis of the spheno-frontal and the lower part of the coronal sutures.

sphenomalar adj.

Brit.

/ˌsfiːnə(ʊ)ˈmeɪlə/

U.S.

/ˌsfinoʊˈmeɪlər/

ΚΠ

1855 L. Holden Human Osteol. 94 Other short sutures, such as the ‘spheno-malar’, ‘spheno-parietal’, ‘zygomatic’,..speak for themselves.

sphenomandibular adj.

Brit.

/ˌsfiːnə(ʊ)manˈdɪbjᵿlə/

U.S.

/ˌsfinoʊˌmænˈdɪbjələr/

ΚΠ

1893 H. Morris Treat. Human Anat. ii. 190 The spheno~mandibular ligament (long internal lateral)..is a thin, loose band, situated some little distance from the joint.

1967 G. M. Wyburn et al. Conc. Anat. iv. 112/2 The sphenomandibular ligament runs from the spine of the sphenoid to the lingula at the mandibular foramen.

sphenomaxillary adj.

Brit.

/ˌsfiːnə(ʊ)makˈsɪl(ə)ri/

U.S.

/ˌsfinoʊˈmæksəˌlɛri/

ΚΠ

?1768–9 Encycl. Brit. (1771) I. 227 The inferior orbitary, or sphenomaxillary fissure.

1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 107 The Spheno-maxillary Fossa..is formed by the sphenoid bone behind, the upper maxillary bone before, and by the palate bone to the inside.

sphenooccipital adj.

Brit.

/ˌsfiːnəʊɒkˈsɪpᵻtl/

U.S.

/ˌsfinoʊˌɑkˈsɪpᵻd(ə)l/

ΚΠ

1840 E. Wilson Anatomist's Vade Mecum (1842) 29 The sphenoid, in conjunction with the occipital, was described..as a single bone, under the name of spheno-occipital.

sphenoorbital adj.

Brit.

/ˌsfiːnəʊˈɔːbᵻtl/

U.S.

/ˌsfinoʊˈɔrbəd(ə)l/

ΚΠ

1841 Penny Cycl. XXI. 158/1 The round aperture is..confounded with the spheno-orbital slit.

sphenopalatine adj.

Brit.

/ˌsfiːnə(ʊ)ˈpalətʌɪn/

U.S.

/ˌsfinoʊˈpæləˌtaɪn/

ΚΠ

1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 107 The spheno-palatine hole.

1858 H. Gray Anat. 489 The Spheno-Palatine Ganglion (Meckel's), the largest of the cranial ganglia.

1881 St. G. Mivart Cat 86 The spheno-palatine foramen opens into the nasal cavity.

sphenoparietal adj.

Brit.

/ˌsfiːnə(ʊ)pᵻˈrʌɪᵻtl/

U.S.

/ˌsfinoʊpəˈraɪəd(ə)l/

ΚΠ

1831Spheno-parietal [see sphenotemporal adj.].

1884 J. E. Lee tr. Römer Bone Caves of Ojcow 29 The spheno parietal suture..is also in part completely obliterated.

sphenotemporal adj.

Brit.

/ˌsfiːnə(ʊ)ˈtɛmp(ə)rəl/

/ˌsfiːnə(ʊ)ˈtɛmp(ə)rl̩/

U.S.

/ˌsfinoʊˈtɛmp(ə)rəl/

ΚΠ

1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 89 It is traversed by various sutures, the coronal, the sphenoidal, the spheno-temporal, the spheno-parietal, and the squamous.

2. In names of minerals.Webster (1864) also gives ‘ Sphenogram, a cuneiform or arrow-headed character’, to which the Imperial Dict. (1882) adds spheˈnographer, sphenoˈgraphic, sphenographist, sphenography.

sphenoclase n.

Brit.

/ˈsfiːnə(ʊ)kleɪz/

/ˈsfiːnə(ʊ)kleɪs/

U.S.

/ˈsfinəˌkleɪs/

/ˈsfinəˌkleɪz/

(see quots.), or of genera of animals or plants.

ΚΠ

1868 H. Watts Dict. Chem. V. 399 Sphenoclase, a mineral occurring in parallel layers..in a bluish granular limestone..in Norway.

1896 A. H. Chester Dict. Names Minerals Sphenoclase, a questionable silicate of calcium, etc., of yellowish color.

sphenodon n.

Brit.

/ˈsfiːnədɒn/

U.S.

/ˈsfinəˌdɑn/

ΘΚΠ

the world > animals > reptiles > order Rhynchocephalia (tuatara) > [noun] > member of (tuatara)

guana1589

rhynchocephalian1871

sphenodon1878

tuatara1890

1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 440 This arrangement obtains also in some Saurii (Sphenodon).

c1880 Cassell's Nat. Hist. IV. 290 The Tuatera, or Hatteria, or the Sphenodon Lizard.

c1880 Cassell's Nat. Hist. IV. 341 The remarkable Lizard from New Zealand—the Tuatera, or Sphenodon.

sphenophyllum n.

Brit.

/ˌsfiːnə(ʊ)ˈfɪləm/

U.S.

/ˌsfinəˈfɪl(ə)m/

ΘΚΠ

the world > plants > particular plants > plants and herbs > fossil plants > [noun]

cycadite18..

Bothrodendron1835

lepidodendron1836

calamite1837

sphenophyllum1837

stigmaria1845

polyporite1846

fucoid1848

Muscites1859

lepidodendrid1863

Bennettites1871

lepidodendroid1872

progymnosperm1885

pteridosperm1904

Bennettitales1907

seed fern1907

1837 Penny Cycl. VII. 294/1 Sphenophyllum..has broad wedge-shaped leaves, the veins of which are forked.

1858 W. Baird Cycl. Nat. Sci. 509/2 Sphenophyllum, a genus of fossil plants peculiar to the coal measures and the transition formations.

sphenopteris n.

Brit.

/sfᵻˈnɒpt(ə)rɪs/

U.S.

/sfiˈnɑptərəs/

ΘΚΠ

the world > plants > particular plants > ferns > [noun] > fossil ferns

sphenopteris1837

wedge-leaf fern1851

wedge-fern1867

glossopteris1883

Medullosa1885

medullosan1920

1837 Penny Cycl. VII. 292/2 Sphenopteris has twice or thrice pinnatifid leaves.

1842 Penny Cycl. XXII. 338/2 Sphenopteris, a genus of fossil ferns... They are all coal-measure plants.

1851 G. A. Mantell Petrifactions i. §2. 32 The other characteristic Wealden plant is the Sphenopteris (S. Mantelli), or wedge-leaf fern.

This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022).

单词	spheno-
释义	spheno-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Etymology: < Greek σϕηνο-, combining form of σϕήν wedge, employed in a number of scientific terms. 1. Anatomy. In adjectives which designate something pertaining to the sphenoid bone together with the part specified by the second element of the compound.Some of these represent Latin formations, as sphenopalatinus, -pharyngæus, in use from at least the 17th cent. Cf. also French sphénobasilaire, -maxillaire, -palatin, etc. spheno-basilar adj. Brit. /ˌsfiːnə(ʊ)ˈbazᵻlə/ , /ˌsfiːnə(ʊ)ˈbasᵻlə/ , U.S. /ˌsfinoʊˈbæzələr/ , /ˌsfinoʊˈbæsələr/ , /ˌsfinoʊˈbeɪsələr/ ΚΠ 1849 J. Craig New Universal Dict. Spheno-basilar. 1904 W. L. H. Duckworth Study Anthropol. Lab. 213 The spheno-basilar suture. sphenobasilic adj. Brit. /ˌsfiːnə(ʊ)bəˈsɪlɪk/ , U.S. /ˌsfinoʊbəˈsɪlɪk/ ΚΠ 1897 T. C. Allbutt et al. Syst. Med. IV. 486 Premature synostosis of the spheno-basilic suture. sphenofrontal adj. Brit. /ˌsfiːnə(ʊ)ˈfrʌntl/ , U.S. /ˌsfinoʊˈfrən(t)l/ ΚΠ 1830 R. Knox tr. P. A. Béclard Elements Gen. Anat. 280 Of this kind are the spheno-frontal sutures. 1884 J. E. Lee tr. Römer Bone Caves of Ojcow 29 A synostosis of the spheno-frontal and the lower part of the coronal sutures. sphenomalar adj. Brit. /ˌsfiːnə(ʊ)ˈmeɪlə/ , U.S. /ˌsfinoʊˈmeɪlər/ ΚΠ 1855 L. Holden Human Osteol. 94 Other short sutures, such as the ‘spheno-malar’, ‘spheno-parietal’, ‘zygomatic’,..speak for themselves. sphenomandibular adj. Brit. /ˌsfiːnə(ʊ)manˈdɪbjᵿlə/ , U.S. /ˌsfinoʊˌmænˈdɪbjələr/ ΚΠ 1893 H. Morris Treat. Human Anat. ii. 190 The spheno~mandibular ligament (long internal lateral)..is a thin, loose band, situated some little distance from the joint. 1967 G. M. Wyburn et al. Conc. Anat. iv. 112/2 The sphenomandibular ligament runs from the spine of the sphenoid to the lingula at the mandibular foramen. sphenomaxillary adj. Brit. /ˌsfiːnə(ʊ)makˈsɪl(ə)ri/ , U.S. /ˌsfinoʊˈmæksəˌlɛri/ ΚΠ ?1768–9 Encycl. Brit. (1771) I. 227 The inferior orbitary, or sphenomaxillary fissure. 1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 107 The Spheno-maxillary Fossa..is formed by the sphenoid bone behind, the upper maxillary bone before, and by the palate bone to the inside. sphenooccipital adj. Brit. /ˌsfiːnəʊɒkˈsɪpᵻtl/ , U.S. /ˌsfinoʊˌɑkˈsɪpᵻd(ə)l/ ΚΠ 1840 E. Wilson Anatomist's Vade Mecum (1842) 29 The sphenoid, in conjunction with the occipital, was described..as a single bone, under the name of spheno-occipital. sphenoorbital adj. Brit. /ˌsfiːnəʊˈɔːbᵻtl/ , U.S. /ˌsfinoʊˈɔrbəd(ə)l/ ΚΠ 1841 Penny Cycl. XXI. 158/1 The round aperture is..confounded with the spheno-orbital slit. sphenopalatine adj. Brit. /ˌsfiːnə(ʊ)ˈpalətʌɪn/ , U.S. /ˌsfinoʊˈpæləˌtaɪn/ ΚΠ 1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 107 The spheno-palatine hole. 1858 H. Gray Anat. 489 The Spheno-Palatine Ganglion (Meckel's), the largest of the cranial ganglia. 1881 St. G. Mivart Cat 86 The spheno-palatine foramen opens into the nasal cavity. sphenoparietal adj. Brit. /ˌsfiːnə(ʊ)pᵻˈrʌɪᵻtl/ , U.S. /ˌsfinoʊpəˈraɪəd(ə)l/ ΚΠ 1831Spheno-parietal [see sphenotemporal adj.]. 1884 J. E. Lee tr. Römer Bone Caves of Ojcow 29 The spheno parietal suture..is also in part completely obliterated. sphenotemporal adj. Brit. /ˌsfiːnə(ʊ)ˈtɛmp(ə)rəl/ , /ˌsfiːnə(ʊ)ˈtɛmp(ə)rl̩/ , U.S. /ˌsfinoʊˈtɛmp(ə)rəl/ ΚΠ 1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 89 It is traversed by various sutures, the coronal, the sphenoidal, the spheno-temporal, the spheno-parietal, and the squamous. 2. In names of minerals.Webster (1864) also gives ‘ Sphenogram, a cuneiform or arrow-headed character’, to which the Imperial Dict. (1882) adds spheˈnographer, sphenoˈgraphic, sphenographist, sphenography. sphenoclase n. Brit. /ˈsfiːnə(ʊ)kleɪz/ , /ˈsfiːnə(ʊ)kleɪs/ , U.S. /ˈsfinəˌkleɪs/ , /ˈsfinəˌkleɪz/ (see quots.), or of genera of animals or plants. ΚΠ 1868 H. Watts Dict. Chem. V. 399 Sphenoclase, a mineral occurring in parallel layers..in a bluish granular limestone..in Norway. 1896 A. H. Chester Dict. Names Minerals Sphenoclase, a questionable silicate of calcium, etc., of yellowish color. sphenodon n. Brit. /ˈsfiːnədɒn/ , U.S. /ˈsfinəˌdɑn/ ΘΚΠ the world > animals > reptiles > order Rhynchocephalia (tuatara) > [noun] > member of (tuatara) guana1589 rhynchocephalian1871 sphenodon1878 tuatara1890 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 440 This arrangement obtains also in some Saurii (Sphenodon). c1880 Cassell's Nat. Hist. IV. 290 The Tuatera, or Hatteria, or the Sphenodon Lizard. c1880 Cassell's Nat. Hist. IV. 341 The remarkable Lizard from New Zealand—the Tuatera, or Sphenodon. sphenophyllum n. Brit. /ˌsfiːnə(ʊ)ˈfɪləm/ , U.S. /ˌsfinəˈfɪl(ə)m/ ΘΚΠ the world > plants > particular plants > plants and herbs > fossil plants > [noun] cycadite18.. Bothrodendron1835 lepidodendron1836 calamite1837 sphenophyllum1837 stigmaria1845 polyporite1846 fucoid1848 Muscites1859 lepidodendrid1863 Bennettites1871 lepidodendroid1872 progymnosperm1885 pteridosperm1904 Bennettitales1907 seed fern1907 1837 Penny Cycl. VII. 294/1 Sphenophyllum..has broad wedge-shaped leaves, the veins of which are forked. 1858 W. Baird Cycl. Nat. Sci. 509/2 Sphenophyllum, a genus of fossil plants peculiar to the coal measures and the transition formations. sphenopteris n. Brit. /sfᵻˈnɒpt(ə)rɪs/ , U.S. /sfiˈnɑptərəs/ ΘΚΠ the world > plants > particular plants > ferns > [noun] > fossil ferns sphenopteris1837 wedge-leaf fern1851 wedge-fern1867 glossopteris1883 Medullosa1885 medullosan1920 1837 Penny Cycl. VII. 292/2 Sphenopteris has twice or thrice pinnatifid leaves. 1842 Penny Cycl. XXII. 338/2 Sphenopteris, a genus of fossil ferns... They are all coal-measure plants. 1851 G. A. Mantell Petrifactions i. §2. 32 The other characteristic Wealden plant is the Sphenopteris (S. Mantelli), or wedge-leaf fern. This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022). < comb. form?1768
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