Also found in: Thesaurus, Medical, Encyclopedia.


adj. Biology
Joined or united with a part or organ of a different kind, as stamens attached to petals.

[Latin adnātus, variant of agnātus, past participle of agnāscī, to grow upon; see agnate.]

ad·na′tion n.


(Botany) botany growing closely attached to an adjacent part or organ
[C17: from Latin adnātus, a variant form of agnātus agnate]


(ˈæd neɪt)

adj. Biol.
congenitally attached.
[1655–65; < Latin ad(g)nātus, replacing agnātus agnate]
ad•na′tion, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.adnate - of unlike parts or organsadnate - of unlike parts or organs; growing closely attached; "a calyx adnate to the ovary"
biological science, biology - the science that studies living organisms
connate - of similar parts or organs; closely joined or united; "a connate tomato flower"
References in periodicals archive ?
Lamellae broad, adnate to adnexed, white, margin entire, crowded in younger specimens, at maturity two zones, outer crowded with several tiers of lamellulae while inner has distant to sub-distant arrangement without lamellulae.
The four domestic base-rate ($1) stamps were designed by John White of the Australia Post Design Studio: Mural by Adnate Adnate's large-scale works can be seen all over the world.
Corolla gamopetalous, tubular-campanulate, infundibuliform, campanulate or hypocrateriform, sometimes with bilabiate apex, aestivation imbricate, zygomorphic; stamens included or exserted, 4, rarely reduced to 2, didynamous, staminode reduced, glabro, rarely elongate and pilose; filaments adnate to the corolla at the base; anthers commonly divergent, generally glabrous, rarely pilose; pollen grains many, in monads, rarely in tetrads or polyads; nectariferous disk generally present; gynoecium bicarpellate, bilocular; ovary superior, multiovulate, placentation axial, stigma bilamelate, lobes sensitive (closing after contact with pollinator).
5 mm, finely puberulous, almost completely adnate to the short cupular pedicel that reaches 1 mm long, also finely puberulous.
is a genus of agaricoid, mushroom-forming fungi, which are characterized by the presence of partial veil usually forming an annulus or leaving remnants at the pileus margin, adnate to adnexed lamellae and well-developed rhizomorphs on stipe base, which are densely covered by spiniform crystals called acanthocytes, the latter considered a diagnostic feature of the genus (Farr, 1980; Cortez & Silveira, 2008).
8 mm long, readily disarticulating from the pedicel, with a more or less definite, short, constricted zone toward the base, tending to be mottled or marbled in appearance because of irregular pigmented areas of the largely persistent and adnate perianth C.
Four stamens are adnate and reach the stigma level after anthesis, with a kidney-shaped anther dehiscing longitudinally, shedding oval- to sphere-shaped pollen grains that are 50 to 60 [micro]m in size (Chauhan et al.
5 mm wide near the apex, provided at each side of the apex with a triangular-ovate, membranaceous, acute auricle; column foot obliquely adnate to the apex of the ovary, papillose, channeled, 2-2.
The peristome is thicker and is adnate to or free from the previous whorl (the attachment of the peristome to the previous whorl is individually variable, unlike other species of Autocoptis).
This species is usually easy to recognize by the adnate squamules of the primary thallus forming compact rosettes.
46) of diatoms growing just with seawater showed a 7-day stable assemblage that included, not just small forms that pass easily through the filters, but also large diatoms, both adnate and erect forms.