mag·ne·to·op·tics 
(măg-nē′tō-ŏptĭks)
(măg-nē′tō-ŏptĭks)n. (used with a sing. verb)
The branch of physics that deals with phenomena associated with magnetic effects on matter as it emits light, having applications in computer data-storage and waveguides.
- hydrosulfide
- hydrosulfite
- hydrosulfurous acid
- hydrotactic
- hydrotaxis
- hydrotherapy
- hydrothermal
- hydrothermally
- hydrothermal vent
- hydrothorax
- hydrotropic
- hydrotropism
- hydrous
- hydroxide
- hydroxide ion
- hydroxy
- hydroxyapatite
- hydroxybutyric acid
- hydroxychloroquine
- hydroxyl
- hydroxylamine
- hydroxylate
- hydroxylation
- hydroxylic
- hydroxyl ion