Definition of acuminate in English:

acuminate

adjective əˈkjuːmɪnət

Biology

(of a plant or animal structure, e.g. a leaf) tapering to a point.
〔生〕（植物或动物结构，如叶子）渐尖的，长尖的
Example sentencesExamples
- The radicle and plumule form a small subglobose unit, the embryonic axis, whose acuminate lower end extends into the micropyle.
- In place of these, we analyzed timing of anthesis, presence or absence of seed wings and pistillate racemes, and prevalence of acuminate leaf apices and attenuate leaf bases.
- Both the anterior and posterior rims of the pleurocoel are rounded rather than angular or acuminate.
- The ventral and posterior margins form an acute angle of 70°, which offers an acuminate aspect.
- The orbicular-shaped mutant leaves are further characterized by the leaf apex, which is retuse in contrast to the acuminate apex of leaves of wild-type plants.
Synonyms
sharp, spear-like, needle-like, spear-shaped, v-shaped, tapering, tapered, cone-shaped, conic, conical, acute, sharp-cornered, wedge-shaped, sharp-edged, edged, jagged, spiky, spiked, barbed

Origin

Late 16th century: from late Latin acuminatus 'pointed', from acuminare 'sharpen to a point', from acuere 'sharpen' (see acute).

Definition of acuminate in US English:

acuminate

adjective

Biology

(of a plant or animal structure, e.g. a leaf) tapering to a point.
〔生〕（植物或动物结构，如叶子）渐尖的，长尖的
Example sentencesExamples
- The orbicular-shaped mutant leaves are further characterized by the leaf apex, which is retuse in contrast to the acuminate apex of leaves of wild-type plants.
- Both the anterior and posterior rims of the pleurocoel are rounded rather than angular or acuminate.
- The radicle and plumule form a small subglobose unit, the embryonic axis, whose acuminate lower end extends into the micropyle.
- In place of these, we analyzed timing of anthesis, presence or absence of seed wings and pistillate racemes, and prevalence of acuminate leaf apices and attenuate leaf bases.
- The ventral and posterior margins form an acute angle of 70°, which offers an acuminate aspect.
Synonyms
sharp, spear-like, needle-like, spear-shaped, v-shaped, tapering, tapered, cone-shaped, conic, conical, acute, sharp-cornered, wedge-shaped, sharp-edged, edged, jagged, spiky, spiked, barbed

Origin

Late 16th century: from late Latin acuminatus ‘pointed’, from acuminare ‘sharpen to a point’, from acuere ‘sharpen’ (see acute).

词汇	acuminate
释义	Definition of acuminate in English: acuminate adjective əˈkjuːmɪnət Biology (of a plant or animal structure, e.g. a leaf) tapering to a point. 〔生〕（植物或动物结构，如叶子）渐尖的，长尖的 Example sentencesExamples The radicle and plumule form a small subglobose unit, the embryonic axis, whose acuminate lower end extends into the micropyle. In place of these, we analyzed timing of anthesis, presence or absence of seed wings and pistillate racemes, and prevalence of acuminate leaf apices and attenuate leaf bases. Both the anterior and posterior rims of the pleurocoel are rounded rather than angular or acuminate. The ventral and posterior margins form an acute angle of 70°, which offers an acuminate aspect. The orbicular-shaped mutant leaves are further characterized by the leaf apex, which is retuse in contrast to the acuminate apex of leaves of wild-type plants. Synonyms sharp, spear-like, needle-like, spear-shaped, v-shaped, tapering, tapered, cone-shaped, conic, conical, acute, sharp-cornered, wedge-shaped, sharp-edged, edged, jagged, spiky, spiked, barbed Origin Late 16th century: from late Latin acuminatus 'pointed', from acuminare 'sharpen to a point', from acuere 'sharpen' (see acute). Definition of acuminate in US English: acuminate adjective Biology (of a plant or animal structure, e.g. a leaf) tapering to a point. 〔生〕（植物或动物结构，如叶子）渐尖的，长尖的 Example sentencesExamples The orbicular-shaped mutant leaves are further characterized by the leaf apex, which is retuse in contrast to the acuminate apex of leaves of wild-type plants. Both the anterior and posterior rims of the pleurocoel are rounded rather than angular or acuminate. The radicle and plumule form a small subglobose unit, the embryonic axis, whose acuminate lower end extends into the micropyle. In place of these, we analyzed timing of anthesis, presence or absence of seed wings and pistillate racemes, and prevalence of acuminate leaf apices and attenuate leaf bases. The ventral and posterior margins form an acute angle of 70°, which offers an acuminate aspect. Synonyms sharp, spear-like, needle-like, spear-shaped, v-shaped, tapering, tapered, cone-shaped, conic, conical, acute, sharp-cornered, wedge-shaped, sharp-edged, edged, jagged, spiky, spiked, barbed Origin Late 16th century: from late Latin acuminatus ‘pointed’, from acuminare ‘sharpen to a point’, from acuere ‘sharpen’ (see acute).
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