Tenuate \Ten"u*ate\, v. t. [imp. & p. p. {Tenuated}; p. pr. & vb. n. {Tenuating}.] [L. tenuatus, p. p. of tenuare to make thin, fr. tenuis thin. See {Tenuous}.] To make thin; to attenuate. [R.] [1913 Webster]