xenotime
/ˈzɛnə(ʊ)tʌɪm
/noun [mass noun]
A yellowish-brown mineral which occurs in some igneous rocks and consists of a phosphate of yttrium and other rare earth elements.
- Composition: native yttrium phosphate.
- Other accessory minerals are apatite, zircon, monazite, huttonite and rare xenotime, uraninite and betafite.
- Pale brown to yellow xenotime and zircon are abundant as fine crystals up to 2 mm in length in many of the miarolitic granite cavities as well as in pegmatite pockets.
Origin
Mid 19th century: from xeno-, apparently erroneously for Greek kenos 'vain, empty', + timē 'honour' (because it was wrongly supposed to contain a new metal).
- pre-ignition
- preimage
- pre-imagination
- pre-imagine
- pre-imagined
- preimmune
- preimplantation
- pre-impregnate
- pre-impregnated
- pre-impregnation
- pre-in
- pre-incarnate
- control key
- controllability
- controllable
- controllable-pitch
- controllably
- controlled airspace
- controlled atmosphere
- controlled circulation
- controlled crying
- controlled environment
- controlled psychic
- controlled rectifier
- controlled-release