ap·a·tite 
(ăpə-tīt′)
(ăpə-tīt′)n.
1. Any of a group of natural, variously colored calcium phosphate minerals containing fluorine, chlorine, or hydroxyl. These compounds form hexagonal crystals and are components of bones and teeth, are a source of phosphorus for plants, and are used in the manufacture of fertilizers.
2. See fluorapatite.
[From Greek apatē, deceit (from its often being mistaken for other minerals).]
- Indo-European root: dyeu-
- Indo-European root: dā-
- Indo-European root: dō-
- Indo-European root: ed-
- Indo-European root: eg
- Indo-European root: eghs
- Indo-European root: egwh-
- Indo-European root: ei-
- Indo-European root: eis-
- Indo-European root: ekwo-
- Indo-European root: el-
- Indo-European root: em-
- Indo-European root: en
- Indo-European root: epi
- Indo-European root: er-
- Indo-European root: er-
- Indo-European root: ers-
- Indo-European root: erə-
- Indo-European root: es-
- Indo-European root: (e)su-
- Indo-European root: eu-
- Indo-European root: euə-
- Indo-European root: euə-dh-r̥
- Indo-European root: gal-
- Indo-European root: gel-