acuminate


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to acuminate: acuminate leaf

acuminate

 [ah-ku´mĭ-nāt]
sharp-pointed.

a·cu·mi·nate

(ă-kyū'mi-nāt),
Pointed; tapering to a point.
[L. acumino, pp. -atus, to sharpen]

acuminate

(ə-kyo͞o′mə-nĭt, -nāt′)
adj.
Tapering gradually to a sharp point, as the tips of certain leaves.
tr.v. (-nāt′) acumi·nated, acumi·nating, acumi·nates Archaic
To sharpen or taper.

a·cu′mi·na′tion n.

a·cu·mi·nate

(ă-kyū'mi-nāt)
Tapering to a point.
[L. acumino, pp. -atus, to sharpen]

acuminate

(of leaves) tapering to a point, narrowing sharply towards the tip and then less sharply near the point.

a·cu·mi·nate

(ă-kyū'mi-nāt)
Pointed; tapering to a point.
[L. acumino, pp. -atus, to sharpen]
Mentioned in ?
References in periodicals archive ?
LEAF DESCRIPTION: NEEDLE-LIKE, 3" to 6" long, tips sharply acuminate with finely serrated margins.
Leaves opposite to sub-opposite, petiolate; petiole 0.8-1 cm in length; blade elliptical, obovate to obcordate, 1.5-2.5 X 1-2 cm, apex rounded to slightly acuminate, base obtuse, eucamptodromous, olive green, semi-coriaceous.
Pseudobulbs completely buried underground, small, ovoid, acuminate, leafless from the second year onwards, externally whitened, 3-5 x (1)1.4-2 cm.
Perigonia lateral on lower part of stem, below perichaetia in autoicous species, perigonial leaves ovate to ovate-oblong, abruptly and shortly acuminate or apiculate, margin entire, ecostate.
to lanceolate, acuminate at apex, denticulate in upper half, 15-20 cm
0.2 mm, linear-lanceolate to subulate, dark-brown, dispersed, marginally entire; blades 9-22 x 3.0-5.8 cm, chartaceous, lanceolate to oblong-elliptic, basically obtuse to truncate, apically acuminate to cuspidate; blade scales 0.7-1.2 x 0.1-0.3 mm, linear to subulate, dark-brown, dispersed, marginally entire, only on blade margin; veins evident, 1-2-forked, 1-1.5 mm apart, diverging at 65-75[grados] from costa; hydathodes absent; fertile fronds 17-28 cm long; stipes 3/5-3/4 the frond length; fertile blades 4.5-10.5 x 1.3-2.8 cm, lanceolate, basically obtuse to truncate, apically acute; intersporangial scales absent.
LEAF DESCRIPTION: COMPOUND, to 12", 5 to 13 leaflets; leaflets to 4" with ovate to elliptic shape and acuminate tips.
1-4) differentiated into short, thin, acuminate microchaetae, medium size, smooth, acuminate mesochaetae and rather long size, smooth, thin, acuminate (without denticles) macrochaetae.