Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Shaped like a kidney: a reniform leaf.
Century Dictionary and Cyclopedia
- Having the form or shape of the human kidney; kidney-form; bean-shaped; in botany (when said of flat organs), having the outline of a longitudinal section through a kidney (see cut under kidney-shaped).
Wiktionary
- adj. botany, of leaves Shaped like a kidney, with the petiole attached at the notch.
GNU Webster's 1913
- adj. Having the form or shape of a kidney
WordNet 3.0
- adj. (of a leaf or bean shape) resembling the shape of kidney
Etymologies
- From Latin renes "kidneys", and -form. (Wiktionary)
- Latin rēnēs, kidneys + -form. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“A characteristic morphologic feature of hair in this syndrome is a triangular to reniform to heart shape on cross-sections, and a groove, canal or flattening along the entire length of the hair in at least 50% of hairs examined by scanning electron microscopy.”
“In the USA, several species of nematodes are also of importance, in the southern states five species of root-knot nematodes (Meloidogyne spp.) cause considerable losses, while the reniform nematodes (Rotylenchus reniformis) also cause severe damage in some areas.”
“Fore wings very acute; exterior border extremely oblique; reniform mark brown, very slender.”
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
“Fore wings acute; orbicular mark black, punctiform; reniform narrow, brown, bordered, excavated on the outer side; exterior border slightly convex.”
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
“Fore wings slightly hooked, with an interior undulating blackish-brown line; orbicular mark black, punctiform; reniform white, black-bordered, forming a triangular spot and an anterior point; a small exterior white costa, with mark.”
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
“Fore wings rectangular at the tips; exterior border slightly bent; its fore part not oblique; orbicular and reniform marks indistinct.”
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
“Fore wings slightly rounded at the tips, very oblique along the exterior border; a blackish band near the base, abbreviated hindward; a large blackish spot on the reniform mark, and a diffuse blackish spot near the tip of the costa; exterior and submarginal lines brown, double, denticulated, with the space along their borders somewhat clouded.”
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
“Fore wings with the speckles mostly confluent in the disk, mostly wanting along the interior and exterior borders; several black and brown speckles, some of which border the large reniform mark.”
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
“It takes place normally, to a slight extent, in certain cultivated forms of cotton, wherein the seeds are aggregated together into a reniform mass, whence the term kidney cotton.”
Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants
“The flowers are one-petaled, purple, and produced on short stems in the axils of the branches; the fruit is often somewhat oblong, but exceedingly variable in form, size, and color; the seeds are small, yellowish, reniform, flattened, and retain their germinative properties seven years.”
Lists
These user-created lists contain the word ‘reniform’.
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Leaves
phyllodial, phyllodium, phyllodineous, leaf, lamina, petiole, stoma, cuticle, stomata, apex, vein, craspedodromous and 122 more...
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phrontistery-r
from phrontistery.info
raad, rabanna, rabbet, rabble, Rabelaisian, rabic, racemation, raceme, racemiferous, rach, rachidian, rachiometer and 514 more...
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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bintalshamsa's list
My Favorite Words
weltschmerz, perspicacity, idée fixe, invigilator, salubrious, tchotchke, ex nihilo, invidious, malapropism, naïve, sardonic, elide and 1459 more...
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misc. plant morphology
the concise british flora in colour (w. keble martin) - glossary - edited, and to be added to
whorled, viviparous, vittae, viscid, villous, valvate, unarmed, umbellate, umbel, tubercle, triquetrous, trigonous and 135 more...
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Greg's Words
frippet, furtive, gimcrack, indefatigable, vicissitudes, pedant, ziggurat, susurrus, sub rosa, rodomontade, interregnum, abscise and 168 more...
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leaf morphology
the concise british flora in colour (w. keble martin)
undulate, truncate, trifoliate, subulate, spathulate, serrate, sagittate, rhomboidal, retuse, reniform, pinnate, perfoliate and 30 more...
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