sem·i·heav·y water 
(sĕm′ē-hĕvē, sĕm′ī-)
(sĕm′ē-hĕvē, sĕm′ī-)n.
A form of heavy water in which the oxygen atom is bound to one atom of hydrogen and one atom of deuterium (heavy hydrogen).
- hypercatalectic
- hypercatalexis
- hypercharge
- hypercholesterolemia
- hyperconscious
- hypercorrect
- hypercorrection
- hypercorrectly
- hypercorrectness
- hypercritical
- hypercritically
- hypercriticism
- hypercube
- hyperdrive
- hyperdynamic
- hyperemesis gravidarum
- hyperemia
- hyperemic
- hyperesthesia
- hyperesthetic
- hypereutectic
- hyperextend
- hyperextension
- hyperfiction
- hyperfine structure