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 Dictionary & Glossary for Students \\ ITS Tutorial School (ITS) - Hong Kong.


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 — 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… …   New Collegiate Dictionary

  • 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.