[hahy-droh-ai-roh-biks] /ˌhaɪ droʊ ɛəˈroʊ bɪks/
noun, (used with a plural verb)
aerobic exercises performed in water, as in a swimming pool.
/ˌhaɪdrəʊəˈkuːstɪks/ noun 1. (functioning as sing) (physics) the study of sound travelling through water
[hahy-droh-air-pleyn] /ˌhaɪ droʊˈɛərˌpleɪn/ noun 1. a hydroplane.
- Hydroa vacciniforme
hydroa vacciniforme hydroa vac·cin·i·for·me (vāk-sĭn’ə-fôr’mē) n. A hereditary recurrent eruption of bullae as a result of exposure to the sun that primarily affects male children or young men.
[hahy-droh-bahy-ol-uh-jee] /ˌhaɪ droʊ baɪˈɒl ə dʒi/ noun 1. the study of aquatic organisms.