Syn. -- Heedful; intent; observant; mindful; regardful; circumspect; watchful.
-- At*ten"tive*ly, adv. -- At*ten"tive*ness, n.
At*tent"ly, adv. Attentively. [Obs.] Barrow.
At*ten"u*ant (&?;), a. [L. attenuans, p. pr. of attenuare: cf. F. atténuant. See Attenuate.] Making thin, as fluids; diluting; rendering less dense and viscid; diluent. -- n. (Med.) A medicine that thins or dilutes the fluids; a diluent.
At*ten"u*ate (&?;), v. t. [imp. & p. p. Attenuated (&?;); p. pr. & vb. n. Attenuating (&?;).] [L. attenuatus, p. p. of attenuare; ad + tenuare to make thin, tenuis thin. See Thin.] 1. To make thin or slender, as by mechanical or chemical action upon inanimate objects, or by the effects of starvation, disease, etc., upon living bodies.
2. To make thin or less consistent; to render less viscid or dense; to rarefy. Specifically: To subtilize, as the humors of the body, or to break them into finer parts.