2. The faculty of nice discernment or perception; acumen; keenness; sharpness; sensitiveness; — applied to the senses, or the understanding. By acuteness of feeling, we perceive small objects or slight impressions: by acuteness of intellect, we discern nice distinctions. Perhaps, also, he felt his professional acuteness interested in bringing it to a successful close. Sir W. Scott.
3. Shrillness; high pitch; — said of sounds.
4. (Med.)
Defn: Violence of a disease, which brings it speedily to a crisis.
Syn. — Penetration; sagacity; keenness; ingenuity; shrewdness; subtlety; sharp-wittedness.
ACUTIFOLIATE
A*cu`ti*fo"li*ate, a. Etym: [L. acutus sharp + folium leaf.] (Bot.)
Defn: Having sharp-pointed leaves.
ACUTILOBATE
A*cu`ti*lo"bate, a. Etym: [L. acutus sharp + E. lobe.] (Bot.)
Defn: Having acute lobes, as some leaves.
ACUTORSION
Ac`u*tor"sion, n. [L. acus needle + torsion.] (Med.)