| APOGEOTROPIC | • apogeotropic adj. Opposite to geotropic; thus… • APOGEOTROPIC adj. bending up or away from the ground. |
| COOPERATIONS | • cooperations n. Plural of cooperation. • coöperations n. Plural of coöperation. • COOPERATION n. the action of cooperating. |
| DECOLORATION | • decoloration n. Alternative spelling of decolouration. • DECOLORATION n. removal or absence of colour. |
| ECHOLOCATION | • echolocation n. The use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar. • ECHOLOCATION n. determining the position of objects by means of supersonic vibrations echoed from them, as a bat does. |
| EROTOLOGICAL | • erotological adj. Relating to erotology. • EROTOLOGICAL adj. related to erotology. |
| GEOLOCATIONS | • geolocations n. Plural of geolocation. • GEOLOCATION n. the use of technology to identify the geographical location of an internet user. |
| HOMOEOPATHIC | • homoeopathic adj. Alternative spelling of homeopathic. • homœopathic adj. Obsolete spelling of homeopathic. • HOMOEOPATHIC adj. related to homoeopathy, also HOMEOPATHIC. |
| HOMOEOSTATIC | • homoeostatic adj. Alternative spelling of homeostatic. • HOMOEOSTATIC adj. relating to homoeostasis. |
| OCEANOLOGIES | • OCEANOLOGY n. the science of the oceans. |
| OCEANOLOGIST | • oceanologist n. One who studies oceanology. • OCEANOLOGIST n. a student of oceanology. |
| ONOMATOPOEIC | • onomatopoeic adj. Of or relating to onomatopoeia. • onomatopoeic adj. Having the property of onomatopoeia. • onomatopœic adj. Alternative spelling of onomatopoeic. |
| OSTEOLOGICAL | • osteological adj. Of or relating to osteology. • OSTEOLOGICAL adj. relating to osteology. |
| RADIOECOLOGY | • radioecology n. The study of the fate and effects of radioactive materials in the environment. • RADIOECOLOGY n. the study of the effects of radiation and radioactive substances on ecological communities. |