nucleiformadj.
/ˈnjuːklɪᵻfɔːm/, /njuːˈkleɪᵻfɔːm/, U.S. /ˈn(j)ukliəˌfɔrm/ 1. Having the form of a nucleus or kernel; of a rounded shape. Also (Botany: (esp. of the apothecia of certain lichens) globose. Now rare.
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the world > plants > particular plants > lichen > [adjective] > of or characterized by parts
angiocarpous1835
tartareous1839
nucleiform1840
gonidial1845
variolarioid1845
hypothalline1855
gonidic1856
gymnocarpous1856
isidioid1856
gonimic layer1857
nucleiferous1857
glebulose1866
heteromerous1875
homoeomerous1875
crustose1879
scyphose1879
apothecial1882
soredial1882
placodioid1911
isidial1921
isidiate1959
1840 B. H. Smart Walker Remodelled 385/1 Nucleus.., commonly that about which something is gathered... Hence.., Nucleiform, a.
1849 T. H. Huxley in Philos. Trans. (Royal Soc.) 139 415 A multitude of delicate fibres interlacing in every direction, in the meshes of which lie scattered nucleiform bodies.
1857 R. Owen Key to Geol. of Globe 46 It is consequently probably the apex of a nucleiform spherical tetrahedron on the curved faces of which there appear to have accumulated successive layers of deposition.
1882 Encycl. Brit. XIV. 554/1 It may be here observed that young disciform apothecia are more or less nucleiform.
1999 FTL Mag. (Electronic text) Nov. Scientists literally assemble atoms and their isotopes in a wide variety of nucleiform combinations.
2. Archaeology. Designating a type of prehistoric stone tool, usually with a rounded working edge, which resembles a knapped core (cf. nucleus n. 11).
ΘΚΠ
society > occupation and work > equipment > tool > types of tools generally > prehistoric tool > [adjective] > types of
rostro-carinate1912
microlithic1913
nucleiform1913
core1926
celtiform1932
Cananaean1934
unifacial1951
osteodontokeratic1957
linguate2001
1913 Jrnl. Royal Anthropol. Inst. 43 342 Nucleiform grattoir.—This [Aurignacian implement] is a thick scraper related to the preceding, but not provided with a keel.
1979 World Archaeol. 10 281 An interesting work, presenting as chief characteristics of the Lower Cantabrian Magdalenian the predominance of endscrapers (especially nucleiform ones) over burins.
1998 Current Anthropol. 39 Suppl. 180/1 Lest it be argued that these cores are really ‘nucleiform’ scrapers, it should be noted that by-products from the shaping of blade cores..are also common.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.1840