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| English | Irish |
| blue-green alga Microorganisms, formerly classified as algae but now regarded as bacteria, including nostoc, which contain a blue pigment in addition to chlorophyll | alga gormghlas |
| blue technology | teicneolaíocht ghorm |
| blue throated macaw | macá píbghorm (Ara glaucogularis) |
| red and blue lory | lóraí rua is gorm (Eos histrio) |