(biochemistry) A unit comprising two or more iron atoms and bridging sulfur ligands in an iron-sulfur protein.

(biochemistry) any protein in which iron is coordinated with cysteine sulfur and sometimes also with inorganic sulfur; they have electron transfer and enzymatic function

Synonym of blue whale

Alternative spelling of sulphur-crested cockatoo

Any of the family Chlorobiaceae of obligately anaerobic photoautotrophic bacteria.

plural of iron-sulfur cluster

(chemistry) A thermochemical cycle, used to produce hydrogen, consisting of three chemical reactions whose net reactant is water and whose net products are hydrogen and oxygen.

plural of sulfur-bottom whale

plural of iron-sulfur protein

(American spelling, inorganic chemistry) A transparent, oily liquid, formula H₂SO₄, that is a strong acid with very many industrial applications.