a. and sb. [f. EXPECTORATE v.: see -ATIVE.]

1

  A.  adj. Of or pertaining to expectoration.

2

1883.  Grant White, Adams in Eng., 125. Leaning against the stone, he began an expectorative demonstration.

3

  B.  sb. = EXPECTORANT sb.

4

1666.  G. Harvey, Morb. Angl. (1672), x. 64. Syrups or other expectoratives.

5