5 horizontal slurry pumps

H - Wiktionary, the free dictionary

Etymology

From the Etruscan letter 𐌇(h, he), from the Ancient Greek letter Η(Ē, eta), derived from the Phoenician letter 𐤇(ḥ, het), from the Egyptian hieroglyph 𓈈 or maybe 𓉗.

Letter

H (lower case h)

The eighth letter of the basic modern Latin alphabet.

Symbol

H

(chemistry) Chemical symbol for hydrogen.

(physics) henry, a unit for measurement of electrical inductance in the International System of Units.

(mechanics) a generic Hamiltonian.

(biochemistry) IUPAC 1-letter abbreviation for histidine

(mathematics) Homology group or cohomology group

(linguistics) high tone

(linguistics) A wildcard for a glottal consonant or more broadly for a laryngeal consonant Synonym:Q for uvular consonants, Φ for pharyngeals

(clothing) Bra cup size.

(programming) Indicates that a number is written in hexadecimal.

The symbol in bases higher than seventeen for the number expressed as 17 in decimal.

Usage notes

(in mathematics) An H with a numerical (or variable) superscript denotes a homology group; with a subscript, it denotes a cohomology group.