1. ozone_layer
noun. a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun.
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Synonyms
2. layer
noun. ['ˈleɪɝ'] single thickness of usually some homogeneous substance.
Antonyms
Etymology
- layer (English)
- leyer (Middle English (1100-1500))
3. ozone
noun. ['ˈoʊˌzoʊn'] a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation).
Antonyms
Synonyms
Etymology
- ozone (English)
- Ozon (German)
- ὄζον (Ancient Greek (to 1453))
4. layer
verb. ['ˈleɪɝ'] make or form a layer.
Antonyms
Etymology
- layer (English)
- leyer (Middle English (1100-1500))
5. layer
noun. ['ˈleɪɝ'] a relatively thin sheetlike expanse or region lying over or under another.
Synonyms
Etymology
- layer (English)
- leyer (Middle English (1100-1500))
6. layer
noun. ['ˈleɪɝ'] thin structure composed of a single thickness of cells.
Etymology
- layer (English)
- leyer (Middle English (1100-1500))