calcarn.¹

/ˈkalkɑː/

Etymology: < Italian calcara ‘a lime-kill’ (Florio), ‘a kind of oven or furnace to calcine vitreous matter in’ (Baretti); compare Latin calcāria lime-kiln, feminine singular of calcārius, < calx, -cis lime.

1. In Glass-making: ‘A small furnace, in which the first calcination is made of sand and potash, for the formation of a frit’ (Ure s.v.).

ΘΚΠ

society > occupation and work > equipment > furnace or kiln > furnace > [noun] > glass-making furnaces

glass-furnace1632

calcar1662

leer1662

pot furnace1839

blowing-furnace1875

tank furnace1879

1662 C. Merrett tr. A. Neri Art of Glass 19 Mix & spread them well in the Calcar, with a rake, that they may be well calcined, & continue this till they begin to grow into lumps.

1712 J. Browne tr. P. Pomet et al. Compl. Hist. Druggs I. 104 The English call the whole Quantity, bak'd at a time in the Calcar, a Batch.

1832 G. R. Porter Porcelain & Glass in Lardner's Cab. Cycl. 155 The Calcar is in the form of an oven about ten feet long, seven feet wide, and two feet high.

1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 654 A reverberatory furnace or calcar.

Categories »

2. Metallurgy. An annealing arch or oven.

This entry has not yet been fully updated (first published 1888; most recently modified version published online June 2021).

calcarn.²

/ˈkalkɑː/

Etymology: < Latin calcar, calcāri- spur, < calc- heel + -āri- belonging to: see -ar suffix¹.

Botany.

1. A hollow ‘spur’ from the base of a petal.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > petal > calcar, spur, or claw

heel1597

onglet1725

spur1731

claw1791

calcar1832

1832 J. Lindley Introd. Bot. i. 120 Sometimes a petal is lengthened at the base into a hollow tube, as in Orchis, &c.: this is called the spur or calcar, and by some nectarotheca.

1836 Penny Cycl. VI. 138/2 Calcar, or spur in flowers, is a hollow projection from the base of a petal, and has usually a conical figure.

1880 A. Gray Bot. Text-bk. (ed. 6) 400 Calcar, a spur; mostly used for the nectariferous one of a calyx or corolla.

2. Anatomy. Any of various spur-like bones of vertebrates, or the tibial spur of some insects.

ΘΚΠ

the world > animals > animal body > general parts > constituent materials > [noun] > spur-like bone

calcar1895

the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > leg(s) > fourth joint or tibia > tibia or spur

calcar1895

1895 Cambr. Nat. Hist. V. iii. 104 The spines at the top of the tibia [of insects], projecting beyond it, are called spurs, or calcares.

1898 T. J. Parker & W. A. Haswell Text-bk. Zool. II. 254 On the tibial side of the first [digit] is a spur-like structure or calcar..: such a rudimentary digit is called a præhallux.

1951 C. K. Weichert Anat. Chordates x. 484 A small additional bone, the prehallux, or calcar, occurs on the tibial side of the tarsus in most salientians.

This entry has not yet been fully updated (first published 1888; most recently modified version published online June 2018).

单词	calcar
释义	calcarn.¹ /ˈkalkɑː/ Etymology: < Italian calcara ‘a lime-kill’ (Florio), ‘a kind of oven or furnace to calcine vitreous matter in’ (Baretti); compare Latin calcāria lime-kiln, feminine singular of calcārius, < calx, -cis lime. 1. In Glass-making: ‘A small furnace, in which the first calcination is made of sand and potash, for the formation of a frit’ (Ure s.v.). ΘΚΠ society > occupation and work > equipment > furnace or kiln > furnace > [noun] > glass-making furnaces glass-furnace1632 calcar1662 leer1662 pot furnace1839 blowing-furnace1875 tank furnace1879 1662 C. Merrett tr. A. Neri Art of Glass 19 Mix & spread them well in the Calcar, with a rake, that they may be well calcined, & continue this till they begin to grow into lumps. 1712 J. Browne tr. P. Pomet et al. Compl. Hist. Druggs I. 104 The English call the whole Quantity, bak'd at a time in the Calcar, a Batch. 1832 G. R. Porter Porcelain & Glass in Lardner's Cab. Cycl. 155 The Calcar is in the form of an oven about ten feet long, seven feet wide, and two feet high. 1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 654 A reverberatory furnace or calcar. Categories » 2. Metallurgy. An annealing arch or oven. This entry has not yet been fully updated (first published 1888; most recently modified version published online June 2021). calcarn.² /ˈkalkɑː/ Etymology: < Latin calcar, calcāri- spur, < calc- heel + -āri- belonging to: see -ar suffix¹. Botany. 1. A hollow ‘spur’ from the base of a petal. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > petal > calcar, spur, or claw heel1597 onglet1725 spur1731 claw1791 calcar1832 1832 J. Lindley Introd. Bot. i. 120 Sometimes a petal is lengthened at the base into a hollow tube, as in Orchis, &c.: this is called the spur or calcar, and by some nectarotheca. 1836 Penny Cycl. VI. 138/2 Calcar, or spur in flowers, is a hollow projection from the base of a petal, and has usually a conical figure. 1880 A. Gray Bot. Text-bk. (ed. 6) 400 Calcar, a spur; mostly used for the nectariferous one of a calyx or corolla. 2. Anatomy. Any of various spur-like bones of vertebrates, or the tibial spur of some insects. ΘΚΠ the world > animals > animal body > general parts > constituent materials > [noun] > spur-like bone calcar1895 the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > leg(s) > fourth joint or tibia > tibia or spur calcar1895 1895 Cambr. Nat. Hist. V. iii. 104 The spines at the top of the tibia [of insects], projecting beyond it, are called spurs, or calcares. 1898 T. J. Parker & W. A. Haswell Text-bk. Zool. II. 254 On the tibial side of the first [digit] is a spur-like structure or calcar..: such a rudimentary digit is called a præhallux. 1951 C. K. Weichert Anat. Chordates x. 484 A small additional bone, the prehallux, or calcar, occurs on the tibial side of the tarsus in most salientians. This entry has not yet been fully updated (first published 1888; most recently modified version published online June 2018). < n.¹1662n.²1832
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calcarn.1

calcarn.2

calcarn.¹

calcarn.²