claviform
Language: English
Part of speech: adj
Pronunciation: ipa: /ˈklævɪfɔːm/
ipa: /ˈkleɪ-/
ipa: /ˈklævɪˌfɔɹm/
ipa: /-və-/
Forms: form: more claviform
form: most claviform
Etymology: The adjective is derived from Latin clāvifōrmis (“club-shaped, claviform”), from Latin clāva (“a club”) (from Proto-Indo-European *kelh₂- (“to beat; to break”)) + -fōrmis (suffix meaning ‘having the form of’) (equivalent to -form, -iform). The English word is cognate with French claviforme.
The noun is probably derived from the adjective.
Senses: examples: text: Claviform is the reverse of stalactitic; it is composed of club-shaped parallel rods which adhere by their thin extremities. Examples, brown and black hæmatite.
ref: 1805, Robert Jameson, “Particular Generic External Characters”, in A Treatise on the External Characters of Minerals, Edinburgh: […] University Press for Bell & Bradfute, Guthrie & Tait, and W[illiam] Blackwood; London: Longman, Hurst, Rees & Orme, →OCLC, page 29:
text: Two other claviform tentacula arise from the anterior superior part of the mantle [of sea slugs of the genus Doris].
ref: 1831, [Georges] Cuvier, P[ierre] A[ndré] Latreille, “Second Great Division of the Animal Kingdom. Animalia Mollusca.”, in H[enry] M’Murtrie, transl., The Animal Kingdom Arranged in Conformity with Its Organization, […], 2nd edition, volume II, New York, N.Y.: G. & C. & H. Carvill, →OCLC, page 339:
text: The embryo is roundish, compressed, with a very large, claviform radicle, and two large, foliaceous cotyledons, full of nerves, plaited, depressed, and applied to the radicle; the colour of the embryo is white, except the nerves of the cotyledons, which are rose-coloured.
ref: 1832, William Jackson Hooker, quoting Pierre Antoine Poiteau, “Couroupita Guianensis. Guiana Couroupita, or Cannon-Ball Tree.”, in Samuel Curtis, editor, Curtis’s Botanical Magazine; or Flower Garden Displayed: […], volume VI (New Series; volume LIX overall), London: […] Edward Couchman, […]; for the proprietor, Samuel Curtis, […], →ISSN, →OCLC:
text: One zoarial fragment, from sample 2, may belong to Figularia. [...] The elongate-claviform zooecia have long, smooth proximal gymnocysts, extending as much as one-third the zooecial length and continuing as narrow strips along the lateral margins nearly to the distal end.
ref: 1972, Alan H. Cheetham, “Systematic Paleontology”, in Cheilostome Bryozoa of the Late Eocene Age from Eua, Tonga (Late Eocene Fossils from Eua, Tonga; Geological Survey Professional Paper; 640-E), Washington, D.C.: United States Government Printing Office, →OCLC, page E10:
text: They vary in shape from filiform (thread-shaped) or claviform (club-shaped) to capitate (with a terminal knob) or moniliform (with a series of knobs).
ref: 1986, Wolfgang Sterrer, Christiane Schoepfer-Sterrer, editors, Marine Fauna and Flora of Bermuda: A Systematic Guide to the Identification of Marine Organisms, New York, N.Y.; Chichester, West Sussex: Wiley, →ISBN, page 141, column 1:
text: The claviform (club-shaped) shapes are especially prevalent in the Pyrenees particularly in the Ariege [...], but they are also found in the Dordogne (Lascaux, Gabillou), in Quercy (Saint-Eulalie), and on the Cantabrian coast [...].
ref: 1998, Jean Clottes, J[ames] David Lewis-Williams, translated by Sophie Hawkes, The Shamans of Prehistory: Trance and Magic in the Painted Caves, New York, N.Y.: Harry N. Abrams, →ISBN, page 47:
text: Solanum contumazaense [...] Style 10–11 mm long, exerted 4 mm, sparsely papillose below center; stigma claviform, light green.
ref: 2004 December, C[arlos] M[anuel] Ochoa, “Series Conicibaccata”, in Donald Ugent, transl., The Potatoes of South America: Peru: (Part I: The Wild Species), Lima, Peru: International Potato Center (CIP), →ISBN, page 114:
topics: biology
natural-sciences
synonyms: clavate
clubbed
glosses: Larger at the tip than at the base; club-shaped.