English Words: H
23,837 words · Page 2 of 477
The sum of the mass concentrations of five haloacetic acids regulated by the USEPA (mono-, di- and trichloroacetic acid and mono- and dibromoacetic acid)
A theorem stating that the interaction picture does not exist in an interacting, relativistic quantum field theory.
An aerial maneuver performed in a half-pipe by taking off backwards, and performing an inverted 720° rotation.
A trigonal-hexagonal scalenohedral bronze red mineral containing hydrogen, iron, magnesium, nickel, oxygen, and sulfur.
A finite-dimensional subspace V of 𝒞(X, 𝕂), where X is a compact space and 𝕂 either the real numbers or the complex numbers, such that for any given f∈𝒞(X, 𝕂) there is exactly one element of V that approximates f "best", i.e. with minimum distance to f in supremum norm.
A sequence of rescaled "square-shaped" functions which together form a wavelet family or basis.
A specialized spot of epidermis, functioning as a touch receptor, that contains many Merkel cell - neurite complexes.
The phenomenon whereby humans localize sound sources in the direction of the first arriving sound, even in the presence of a single reflection from a different direction.
A metal collar mounted in between a sword's blade and the guard to hold the guard in place.
A prophetic book in the Old Testament of the Bible, one of the minor prophets; or the eighth part of the Tere Asar in the Jewish Tanakh.
The theory that land abundance and labor scarcity in the 19th-century United States led to high wages, which resulted in labor-saving technological innovations and the development of the American system of manufacturing based on the extensive use of machinery and interchangeable parts.
A motorcycle taxi, particularly a small motorcycle modified to carry up to six passengers and cargo.
A writ ordering that a person be brought before a court or a judge, most frequently used to ensure that a person's imprisonment, detention, or commitment is legal.
Spelling & Dictionary Insight
The English alphabetical index for the letter H contains 23,837 headwords drawn from our Wiktionary-derived dictionary table. At 50 entries per page the browse splits into 477 pages, and you are currently viewing page 2. Every row above is a dictionary-backed entry with a canonical slug, and each links through to a full definition page with pronunciation, senses, etymology, and related-word data where available.
On this page 50 of 50 entries carry a part-of-speech tag and 50 carry at least one stored definition. Coverage varies across letters because Wiktionary volunteers build entries at different speeds for different parts of the alphabet, letters with common starting sounds (S, C, T, P) usually have the densest coverage, while less frequent starters (X, Q, Z) tend to have shorter but more specialised lists. PlainSpell surfaces whatever data is present and links back to the source when a definition is not yet recorded.
For readers using this index as a spelling reference, the guarantee is that every form you see on the list is a documented English headword, not a guess, not a derived inflection lacking a lemma row. If a word you expected to find is absent from the "H" list, it usually means the form exists only as an inflection of another lemma (e.g. a past participle stored under the infinitive) or the entry has not yet been imported from Wiktionary. Use the search bar or the misspelling lookup to resolve these cases.