| AEROBIONTS | • aerobionts n. Plural of aerobiont. • AEROBIONT n. an aerobe, an organism requiring oxygen to survive. |
| BILLIONTHS | • billionths n. Plural of billionth. • BILLIONTH n. a thousand millionth part. |
| DIPLOBIONT | • diplobiont n. (Biology) Any organism in which haploid and diploid generations alternate. • DIPLOBIONT n. an organism that has both haploid and diploid individuals in its life cycle. |
| HALOBIONTS | • halobionts n. Plural of halobiont. • HALOBIONT n. an organism living in a salt environment. |
| HAPLOBIONT | • HAPLOBIONT n. an organism living in a salt environment. |
| MILLIONTHS | • millionths n. Plural of millionth. • MILLIONTH n. a millionth part of. |
| MYCOBIONTS | • mycobionts n. Plural of mycobiont. • MYCOBIONT n. the fungal constituent of a lichen. |
| PHYCOBIONT | • phycobiont n. An algal photobiont. • PHYCOBIONT n. the algal constituent of a lichen. |
| SAPROBIONT | • saprobiont n. Synonym of saprobe. • SAPROBIONT n. any organism, esp. a fungus or bacterium, that lives and feeds on dead organic matter, also SAPROTROPH. |
| SYMBIONTIC | • symbiontic adj. Relating to a symbiont. • symbiontic adj. Misspelling of symbiotic. • SYMBIONTIC adj. of or like a symbiont. |
| TRILLIONTH | • trillionth adj. The ordinal form of the number one trillion. • trillionth n. The person or thing in the trillionth position. • trillionth n. One of a trillion equal parts of a whole. |
| ZILLIONTHS | • zillionths n. Plural of zillionth. • ZILLIONTH n. a zillionth part of something. |