adjective Etymology: Latin igneus, from ignis fire; akin to Sanskrit agni fire Date: 1664 1. of, relating to, or resembling fire ; fiery 2. a. relating to, resulting from, or suggestive of the intrusion or extrusion of magma or volcanic activity b. formed by solidification of magma <
igneous rock

New Collegiate Dictionary. 2001.


Look at other dictionaries:

  • Igneous — Ig ne*ous, a. [L. igneus, fr. ignis fire; allied to Skr. agni, Lith. ugnis, OSlav. ogne.] 1. Pertaining to, having the nature of, fire; containing fire; resembling fire; as, an igneous appearance. [1913 Webster] 2. (Geol.) Resulting from, or… …   The Collaborative International Dictionary of English

  • igneous — (adj.) 1660s, from L. igneus of fire, fiery, from ignis fire, from PIE *egni fire (Cf. Skt. agnih fire, sacrificial fire, O.C.S. ogni, Lith. ugnis fire ) …   Etymology dictionary

  • igneous — ► ADJECTIVE Geology ▪ (of rock) having solidified from lava or magma. ORIGIN from Latin ignis fire …   English terms dictionary

  • igneous — [ig′nē əs] adj. [L igneus < ignis, a fire < IE base * egnis > Sans agníḥ, fire, Lith ugnìs] 1. of, containing, or having the nature of, fire; fiery 2. produced by the action of fire; specif., formed by volcanic action or intense heat, as …   English World dictionary

  • igneous — adjective a) Pertaining to, having the nature of fire; containing fire; resembling fire; as, an igneous appearance b) Resulting from, or produced by, the action of great heat; with rocks, it could also mean formed from lava/magma; as, granite and …   Wiktionary

  • igneous — UK [ˈɪɡnɪəs] / US adjective science igneous rocks are formed from liquid rock from volcanos that becomes solid as it gets cold. Granite and basalt are igneous rocks …   English dictionary

  • igneous —   a rock formed through the cooling of magma or lava. The slower the cooling, the larger the rock crystals and the harder the rock, although all igneous rocks are very hard …   Geography glossary

  • igneous — adj. Igneous is used with these nouns: ↑rock …   Collocations dictionary

  • igneous — ig|ne|ous [ˈıgniəs] adj technical [Date: 1600 1700; : Latin; Origin: igneus, from ignis; IGNITE] igneous rocks are formed from ↑lava (=hot liquid rock) …   Dictionary of contemporary English

  • igneous — ig|ne|ous [ ıgniəs ] adjective TECHNICAL igneous rocks are formed from liquid rock …   Usage of the words and phrases in modern English

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