TENUATE
Ten"u*ate, v. t. [imp. & p. p. Tenuated; p. pr. & vb. n. Tenuating.]
Etym: [L. tenuatus, p.p. of tenuare to make thin, fr. tenuis thin.
See Tenuous.]

Defn: To make thin; to attenuate. [R.]

TENUIFOLIOUS
Ten`u*i*fo"li*ous, a. Etym: [L. tenuis thin + folium a leaf.] (Bot.)

Defn: Having thin or narrow leaves.

TENUIOUS
Te*nu"i*ous, a. Etym: [See Tenuous.]

Defn: Rare or subtile; tenuous; — opposed to dense. [Obs.] Glanvill.

TENUIROSTER Ten`u*i*ros"ter, n.; pl. Tenuirosters. Etym: [NL., fr. L. tenuis thin + rostrum a beak.] (Zoöl.)

Defn: One of the Tenuirostres.

TENUIROSTRAL
Ten`u*i*ros"tral, a. (Zoöl.)

Defn: Thin-billed; — applied to birds with a slender bill, as the humming birds.