Rare Earth Element

Science / Chemistry / Rare Earth Element: A metallic element that belongs to Group 3B or to the lanthanide series.

Other Words for Earth

Earth Noun Synonyms: soil, dirt, loam, sod, clay, turf, ground, mould
Earth Noun Plural Synonyms: globe, mother earth, planet, world, blue planet, Terra

Other Words for Element

Element Adjective Synonyms: component, constituent, ingredient, essential, fundamental, part, unit, piece, segment, feature, factor, detail, particular
Element Noun Synonyms: environment, atmosphere, situation, locale, territory, sphere, habitat, medium, domain

Other Words for Rare

Rare Adjective Synonyms: uncommon, unfamiliar, unusual, exceptional, out of the ordinary, extraordinary, atypical, scarce, unparalleled, choice, recherch‚, phenomenal, infrequent, few and far between, sparse, scanty, limited, seldom encountered or met with or seen, unique, singul
Rare Noun Synonyms: fine, good, admirable, excellent, choice, select, special, first-rate, first-class, exquisite, superior, superlative, peerless, unequalled, matchless, incomparable, in a class by itself or herself or himself or themselves, sui generis, outstanding, collec

Rare Earth

Science / Chemistry / Rare Earth: An oxide of a rare earth element. MORE

Infrared Radiation

Science / Chemistry / Infrared Radiation: Electromagnetic radiation with wavelength longer than visible light but shorter than that of microwaves. Infrared radiation is produced by hot objects; absorption of infrared radiation causes chemical MORE

Infrared Focus

Entertainment / Photography / Infrared Focus: See ir setting. MORE

Infrared Spectroscopy

Science / Chemistry / Infrared Spectroscopy: A technique for determining the structure (and sometimes concentration) of molecules by observing how infrared radiation is absorbed by a sample. MORE

Low Earth Orbit

Technology / Cell Phones / Low Earth Orbit: A term used to describe the orbital altitude range (500 to 2000 km above the surface of the Earth) of certain communications satellites. MORE

Main Group Elements

Science / Chemistry / Main Group Elements: Elements of the s and p blocks. MORE