alkaline-earth elements

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• alkaline-earth metal — /al keuh luyn errth , lin /, Chem. any of the group of bivalent metals including barium, radium, strontium, calcium, and, usually, magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals. [1900 05] * * * ▪… …   Universalium

• alkaline-earth metal — [al′kə lin΄ʉrth′, al′kə līn΄ʉrth′] n. any of the six highly reactive chemical elements in group IIA of the periodic table including, in order of increasing reactivity, beryllium, magnesium, calcium, strontium, barium, and radium: an oxide of any… …   English World dictionary

• Alkaline earth metal — Group 2 Period  2 4 Be 3 …   Wikipedia

• alkaline earth metal — Any of the six chemical elements in the second leftmost group of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium). Their name harks back to medieval alchemy. Their atoms have two electrons in the outermost shell,… …   Universalium

• alkaline earth — noun Any oxide of the elements of group II of the periodic table; they are not as basic as the alkalis, and not so soluble in water …   Wiktionary

• alkaline earth metal — noun Any of the elements of group II of the periodic table; they are low density metals that react readily with water to form strongly basic hydroxides, and with many acids to form salts …   Wiktionary

• Alkaline earths — Earth Earth ([ e]rth), n. [AS. eor[eth]e; akin to OS. ertha, OFries. irthe, D. aarde, OHG. erda, G. erde, Icel. j[ o]r[eth], Sw. & Dan. jord, Goth. a[=i]r[thorn]a, OHG. ero, Gr. ?, adv., to earth, and perh. to E. ear to plow.] 1. The globe or… …   The Collaborative International Dictionary of English

• Earth — ([ e]rth), n. [AS. eor[eth]e; akin to OS. ertha, OFries. irthe, D. aarde, OHG. erda, G. erde, Icel. j[ o]r[eth], Sw. & Dan. jord, Goth. a[=i]r[thorn]a, OHG. ero, Gr. ?, adv., to earth, and perh. to E. ear to plow.] 1. The globe or planet which we …   The Collaborative International Dictionary of English

• Earth apple — Earth Earth ([ e]rth), n. [AS. eor[eth]e; akin to OS. ertha, OFries. irthe, D. aarde, OHG. erda, G. erde, Icel. j[ o]r[eth], Sw. & Dan. jord, Goth. a[=i]r[thorn]a, OHG. ero, Gr. ?, adv., to earth, and perh. to E. ear to plow.] 1. The globe or… …   The Collaborative International Dictionary of English

• Earth auger — Earth Earth ([ e]rth), n. [AS. eor[eth]e; akin to OS. ertha, OFries. irthe, D. aarde, OHG. erda, G. erde, Icel. j[ o]r[eth], Sw. & Dan. jord, Goth. a[=i]r[thorn]a, OHG. ero, Gr. ?, adv., to earth, and perh. to E. ear to plow.] 1. The globe or… …   The Collaborative International Dictionary of English

• Earth bath — Earth Earth ([ e]rth), n. [AS. eor[eth]e; akin to OS. ertha, OFries. irthe, D. aarde, OHG. erda, G. erde, Icel. j[ o]r[eth], Sw. & Dan. jord, Goth. a[=i]r[thorn]a, OHG. ero, Gr. ?, adv., to earth, and perh. to E. ear to plow.] 1. The globe or… …   The Collaborative International Dictionary of English