Partial deoxidization of steel to avoid evolution of gas during solidification, but with some remaining carbon monoxide causing blowhole-type porosity.

semilabeledadj

Partially or incompletely labeled

semilaminaradj

Partially laminar

semilanceolateadj

Half-lanceolate, longitudinally divided.

semilandmarknoun

Any of a number of points on a morphometric curve

semilanguagenoun

A set of semiwords.

semilapsedadj

Partially lapsed.

semilatentadj

Partially latent

semilateraladj

Partially lateral (partially on one's side)

semilatticenoun

A partially ordered set that either has a join (a least upper bound) for any nonempty finite subset (a join-semilattice or upper semilattice) or has a meet (or greatest lower bound) for any nonempty finite subset (a meet-semilattice or lower semilattice). Equivalently, an underlying set which has a binary operation which is associative, commutative, and idempotent.

semileaflessadj

Having very few leaves; applied especially to a variety of pea plant.

semilegaladj

Of partial or questionable legality.

semilegallyadv

In a semilegal manner

semilegibleadj

Partly legible.

semilegislativeadj

Somewhat or partly legislative.

semilegitimacynoun

Partial legitimacy.

semilegitimateadj

Partly legitimate.

semilegitimatelyadv

In a semilegitimate manner.

semilengthnoun

The value of n for a Dyck path that begins at the origin (0,0) and ends at the coordinate (2n,0).

semilensnoun

The half of a lens divided along a plane passing through its axis; a lens that is flat on one side and curved on the other.

semilenticularadj

Half lenticular or convex; imperfectly resembling a lens.

semileptonicadj

Of or pertaining to the decay of a hadron through the weak nuclear force in which one lepton (and the corresponding neutrino) is produced in addition to one or more hadrons.

semileptonicallyadv

In a semileptonic manner

semilethaladj

lethal to at least half of all affected organisms

semilethalitynoun

The quality of being semilethal.

Spelling & Dictionary Insight

The English alphabetical index for the letter S contains 54,294 headwords drawn from our Wiktionary-derived dictionary table. At 50 entries per page the browse splits into 1,086 pages, and you are currently viewing page 241. 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 "S" 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.