English dyad meaning in English  •  dyad का अर्थ अंग्रेजी में

Noun

• Two units treated as one; a couple; a pair.
• An element, atom, or radical having a valence or combining power of two.

Adjective

• Having a valence or combining power of two; capable of being substituted for, combined with, or replaced by, two atoms of hydrogen; as, oxygen and calcium are dyad elements. See Valence>.