eruptive

[Fr. éruptif: Sp eruptivo, from Lat. erupt us, pa. par. of erumpo.] 1 Bursting forth; breaking out. "To the startled eye the sudden glance Appears far south eruptive through the cloud." Thomson: Summer, 1,129, 1,130. 2. Attended with eruption or rash; producing eruptions. "It is in the nature of these eruptive diseases in the state to sink in by fits, and to re-appear." - Burke: Regi cide Peace, let. i. Geol: The same as volcanic rocks, using the latter term to include those of all geological form a tions, and not simply those sent forth by recent volcanoes. Basalt and greenstone, equally with lava, are considered eruptive rocks. [VOLCANIC.] er-va-len-ta, s. [Lat. Ervum lens , the botanical name of the lentil.] The farina or meal of the common lentil, prepared in a special manner. Its use as a food is said to promote the peristaltic action of the bowels. The same as REVALENTA (q. v.). eryngo-root, s. Phar.: The root of Eryngium maritimum , or Sea holly, prepared as a sweetmeat. Its aphrodisiac qualities, either real or supposed, are mentioned by dramatists and poets from Jonson to Prior.