Hypertext Webster Gateway: "eruptive"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Eruptive \E*rup"tive\, n. (Geol.)
An eruptive rock.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Eruptive \E*rup"tive\, a. [Cf. F. ['e]ruptif.]
1. Breaking out or bursting forth.
The sudden glance Appears far south eruptive through
the cloud. --Thomson.
2. (Med.) Attended with eruption or efflorescence, or
producing it; as, an eruptive fever.
3. (Geol.) Produced by eruption; as, eruptive rocks, such as
the igneous or volcanic.
From WordNet (r) 1.7 (wn)
eruptive
adj 1: igneous rock produced by eruption and solidified on or near
the earth's surface; rhyolite or andesite or basalt;
"volcanic rock includes the volcanic glass obsidian"
[syn: {volcanic}]
2: igneous rock that has solidified beneath the earth's
surface; granite or diorite or gabbro [syn: {irruptive}, {plutonic}]
3: erupting or tending to erupt; "a geyser is an intermittently
eruptive hot spring"; "people fled from the erupting
volcano" [syn: {erupting(a)}]
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