A comparatively rare species of hyena, Hyaena brunnea, endemic to desert and semi-desert areas and open woodland savannahs of southern Africa.

plural of hydrogen gas electrode

Alternative form of Jekyll and Hyde

An inner suburb of Leeds, West Yorkshire, England (OS grid ref SE2835). / A town, the shire town of Lamoille County, Vermont, United States.

Alternative form of hide (area of land)

Obsolete form of hide.

Any of the species of three genera in the Hyacinthinae subtribe (family Asparagaceae) that produce racemes of small blue flowers, Muscari, Pseudomuscari, and Leopoldia.

sodium bicarbonate (NaHCO₃)

The absorption of hydrogen into a metal, and subsequent weakening, as part of a pickling process

(inorganic chemistry) Ellipsis of helium hydride cation. The unstable binary cation HeH⁺ present in interstellar space. It is the strongest acid, reactive with every chemical species except positive ions, including electrons.