semiform
A partial or imperfect form.
A crystal structure that is more elaborate than the simplest (primitive) form but which does not include all the faces and symmetry elements characteristic of the full crystal system.

semiforms
plural of semiform

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

semilore
Alternative form of similor.

semimodule
A mathematical construct that resembles a module, except that the underlying abelian group is replaced with an abelian semigroup, so the elements do not necessarily have inverses.

semimodules
plural of semimodule

seminase
A protease in the seminal fluid of some flies

seminases
plural of seminase

semiporcelain
Any of several glazed ceramic wares resembling porcelain but having little or no translucency.

semiporcelains
plural of semiporcelain

semipornography
Material that is partly or somewhat pornographic.

semiprozine
A semiprofessionally edited publication.

semiprozines
plural of semiprozine

semiquinone
An intermediate free radical generated in the conversion of quinones to/from hydroquinones.

semiquinones
plural of semiquinone

semiring
An algebraic structure similar to a ring, but without the requirement that each element must have an additive inverse.
One of the incomplete rings of the upper part of the bronchial tubes of most birds, forming an essential part of the syrinx of songbirds.

semirings
plural of semiring

semisyntheses
plural of semisynthesis

semisynthesis
A type of chemical synthesis that uses compounds isolated from natural sources (such as plant material or bacterial cultures) as starting materials.

semitrypsin
A form of trypsin that cleaves peptide bonds only at one end of a protein

semiubiquinone
Alternative form of ubisemiquinone.

semivacancies
plural of semivacancy

semivacancy
A vacancy defect in which two adjacent lattice sites are unoccupied and an atom occupies the interstitial site between the two vacant sites.

semiword
The initial or final constituent of compounds that cannot occur outside the domain of compounds, i.e., they are not freely combinable with words or phrases into syntactic constituents, but can undergo coordination reduction in both directions.

semiwords
plural of semiword

semophorin
Misspelling of semaphorin.

sempiternum
A durable twilled woollen material.

sempiternums
plural of sempiternum

senataxin
An RNA / DNA helicase

senataxins
plural of senataxin

senecicannabine
A chemical compound, C₁₈H₂₃NO₇, isolated from Senecio cannabifolius.

seneciphylline
An alkaloid found in ragwort (Jacobaea vulgaris, syn. Senecio jacobaea).

senecrassidiol
The sesquiterpenoid (1~{R},2~{R},5~{R},8~{S},9~{R})-4,4,8-trimethyltricyclo[6.3.1.0^{2,5}]dodecane-1,9-diol present in Panax ginseng

senkirkine
An alkaloid found in ragwort (Jacobaea vulgaris, syn. Senecio jacobaea).

senktide
A neuropeptide that is a tachykinin receptor agonist

sensilla
Alternative form of sensillum.

sensillae
plural of sensilla

sensillum
A sensory receptor in certain invertebrates, especially arthropods.

sentisection
painful vivisection, without the use of anesthetic

sentisections
plural of sentisection

sentoku
An alloy of zinc, tin, and copper.

separose
Misspelling of sepharose.

sepharose
Alternative form of Sepharose.

sepimostat
A protease inhibitor.

septaemia
Synonym of septicemia.

septamer
Synonym of heptamer.

septamers
plural of septamer

septane
Obsolete form of heptane.

septanes
plural of septane

septanucleotide
A codon containing seven nucleotides.

septanucleotides
plural of septanucleotide

septarium
A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.

septentrionaline
An alkaloid derived from Aconitum lycoctonum, used as a local analgesic.

septicaemia
Alternative spelling of septicemia.

septicaemias
plural of septicaemia

septicemia
A disease caused by the presence of pathogenic organisms, especially bacteria, or their toxins, in the bloodstream, characterized by chills and fever.

septicemias
plural of septicemia

septicine
A ptomaine obtained from decaying flesh.

septin
Any of a class of proteins that have functions related to cytokinesis.

septins
plural of septin

sequanium
An early name for the element neptunium, based on a discredited claim of discovery.

sequestosome
Any of a group of adapter-proteins that bind ubiquitin

sequestosomes
plural of sequestosome

sequestrosome
Misspelling of sequestosome.

sequon
A sequence of three consecutive amino acids in a protein that can serve as the attachment site for a glycan

sequons
plural of sequon

sereh
A disease of sugar cane reported from Indonesia in the 19th century, of uncertain origin.

sericitisation
Alternative form of sericitization.

sericitisations
plural of sericitisation

sericitization
The hydrothermal or metamorphic alteration of a mineral, often plagioclase, into sericite (a white mica).

sericitizations
plural of sericitization

sericon
A red tincture in alchemy.

seripauperin
Any of a group of proteins active in alcoholic fermentation

seripauperins
plural of seripauperin

serofluid
A clear fluid obtained from any of several vegetables by means of pressure, fermentation etc.

serofluids
plural of serofluid

serolin
A fatty substance found in the blood, probably a mixture of fats, cholesterol, etc.
A substance found in faeces, thought to be formed in the intestines from the cholesterol of the bile.

seroline
Alternative form of serolin.

seroma
A pocket of clear serous fluid that sometimes develops in the body after surgery.

seromas
plural of seroma

seromata
plural of seroma

serovaccine
A vaccine used in serotherapy.

serovaccines
plural of serovaccine

serpentinisation
Alternative form of serpentinization.

serpentinite
a metamorphic rock composed of serpentine minerals formed by the hydration of ultramafic rocks

serpentinites
plural of serpentinite

serpentinization
The conversion of mineral or rock into serpentine.

serpentinizations
plural of serpentinization

serpin
Any of a family of proteins that inhibit serine proteases (especially trypsin)

serpine
Alternative form of serpin.

serpines
plural of serpine

serpins
plural of serpin

serrapeptase
serratiopeptidase

serratamolide
A hemolytic factor, (3S,7R,10S,14R)-7,14-diheptyl-3,10-bis(hydroxymethyl)-1,8-dioxa-4,11-diazacyclotetradecane-2,5,9,12-tetrone, produced by Serratia marcescens

serratiapeptase
serratiopeptidase

serrawettin
Synonym of serratamolide.

serrawettins
plural of serrawettin

sesamin
An extract of sesame seeds; a component of sesame oil.

sesamol
The antioxidant 3,4-methylenedioxyphenol found in sesame oil

sesquicarbonate
A chemical compound containing three carbonate ions for every two metal ions.
A chemical compound containing one carbonate and one bicarbonate ion in each formula [CO₃HCO₃].

sesquicarbonates
plural of sesquicarbonate

sesquichloride
Any chloride containing three chlorine atoms for every two atoms of another element.

sesquichlorides
plural of sesquichloride

sesquimagnesium
Three magnesium ions in a salt with two divalent anions

sesquineolignane
Any derivative of a lignane having three propylbenzene residues

sesquineolignanes
plural of sesquineolignane

sesquisulfate
A chemical compound containing one and a half sulfate groups per formula. ([SO₄]_(1.5)³⁺)

sesquisulfates
plural of sesquisulfate

sesquisulfide
Alternative form of sesquisulphide.

sesquisulfides
plural of sesquisulfide

sesquisulphate
Alternative form of sesquisulfate.

sesquisulphates
plural of sesquisulphate

sesquisulphide
Any sulphide containing three sulphur atoms for every two metal atoms.

sesquisulphides
plural of sesquisulphide

sesquiterpene
Any terpene formed from three isoprene units, and having fifteen carbon atoms; includes several plant pigments such as the flavones.