sphingophospholipids
plural of sphingophospholipid

sphingosine
An unsaturated aliphatic amino alcohol associated with the lipids of brain tissue

sphingosines
plural of sphingosine

sphingosylphosphorylcholine
A sphingolipid that has several biochemical functions

sphragis
A mating plug in the genital opening of a female, formed from a waxy secretion deposited by a male during mating.
Synonym of sphragide.

spicataside
A particular biflavonoid.

spicularite
Chert composed of spicules of glass sponges and other invertebrates.

spiegeleisen
A ferromanganese alloy containing approximately 15% manganese and small quantities of carbon and silicon.

spiegeleisens
plural of spiegeleisen

spilth
Spillage; spilled material.

spilths
plural of spilth

spinacetin
A methylated flavonol present in spinach

spinochrome
Any of a series of chemical compounds:
Any of a series of chemical compounds:
Any of a series of chemical compounds:
Any of a series of chemical compounds:
Any of a series of chemical compounds:

spinochromes
plural of spinochrome

spinor
An element of the fundamental representation of a Clifford algebra that transforms to its negative when the space is rotated through a complete turn from 0° to 360°.

spinors
plural of spinor

spinosyn
Any of a family of polyketide, tetracyclic macrolide pesticides of bacterial origin.

spinosyns
plural of spinosyn

spiramide
A selective 5-HT2A, 5-HT1A, and D2 receptor antagonist.

spirene
An unsaturated spiran containing at least one double bond in one of the rings

spirenes
plural of spirene

spiricle
One of certain minute coiled threads in the coating of some seeds.

spiricles
plural of spiricle

spiroacetal
Any acetal in which the two ether groups are connected by a bridge

spiroacetals
plural of spiroacetal

spiroatom
The connecting atom in a spiro compound.

spiroatoms
plural of spiroatom

spirocheticide
A substance that kills spirochetes.

spirocheticides
plural of spirocheticide

spirochetocide
Alternative form of spirocheticide.

spirochetocides
plural of spirochetocide

spirochetolysin
An agent (substance) that performs spirochetolysis, that is, one that lyses spirochetes.

spirochetolysins
plural of spirochetolysin

spirocyclization
cyclization to form a spiro compound

spirocyclizations
plural of spirocyclization

spirohydantoin
Any of a family of spiro compounds derived from hydantoin.

spirohydantoins
plural of spirohydantoin

spiroligomer
Any of a type of synthetic oligomer formed of amino acid dimers

spiroligomers
plural of spiroligomer

spiromustine
spirohydantoin mustard; a nitrogen mustard compound

spiroquinazoline
A spirocyclic quinazoline present in Aspergillus.

spiroquinazolines
plural of spiroquinazoline

spiroundecane
Any spiran that has eleven carbon atoms

spiroundecanes
plural of spiroundecane

spirovetivane
Synonym of vetispirane.

spirovetivanes
plural of spirovetivane

spirytus
A Polish rectified spirit, used in medicine and for the preparation of alcoholic infusions called nalewka.

splashback
Splashes of liquid, especially noxious liquid, rebounding from a surface.
A shield of an easily-cleaned material, such as those placed behind an oven top or kitchen sink and at industrial facilities, construction sites, etc, in order to catch splashes of liquid.

splashbacks
plural of splashback

spliceosome
A dynamic complex of RNA and protein subunits that removes introns from precursor mRNA.

spliceosomes
plural of spliceosome

splicesome
Alternative form of spliceosome.

splicesomes
plural of splicesome

splicosome
Alternative spelling of spliceosome.

splicosomes
plural of splicosome

splitomicin
The biochemically active lactone 1,2-dihydro-3H-naphtho[2,1-b]pyran-3-one

splitomicins
plural of splitomicin

splurchase
A spur-of-the-moment purchase.

splurchases
plural of splurchase

spodium
Bone charcoal, used as bleaching material or in the purification of sugar.

spolia
Old objects, artifacts, and/or sculptural elements reused in a later work of architecture.

spondin
Any of a group of proteins that are involved in axon guidance.

spondins
plural of spondin

spondylophyte
Synonym of bone spur.

spondylophytes
plural of spondylophyte

spongework
Spongy material.

spongin
A horny, sulfur-containing protein, related to keratin, that forms the skeletal structure of certain classes of sponges. A proteinaceous compound of which the spicules in Demospongiae are composed.

spongins
plural of spongin

spongolite
A stone made almost entirely from fossilised sponges.

spongolites
plural of spongolite

spoolwood
The wood of the paper birch (Betula papyrifera).

spoonbending
A form of stage magic involving the apparent deformation of objects, especially metal cutlery, with little or no physical force.

sporangin
An enzyme associated with the development and release of sporangia

sporicide
A substance that kills spores.

sporicides
plural of sporicide

sporocide
An agent that kills spores.

sporocides
plural of sporocide

sporontocide
Any substance that kills sporonts

sporontocides
plural of sporontocide

sporosac
A hydrozoan reproductive zooid or simple form of gonophore which does not become medusoid in form or structure
An early or simple larval stage of trematode worms and some other invertebrates, which is capable of reproducing other germ cells by asexual generation; a redia.

sporosacs
plural of sporosac

sposh
Soft wet ground; mud or slush.

sprifermin
human recombinant FGF18, as a candidate drug to treat knee osteoarthritis

spudcan
A conical structure at the base of a jack-up oil rig, providing stability.

spudcans
plural of spudcan

spumific
A chemical that decomposes to produce large quantities of gas

spumifics
plural of spumific

spumigin
Any of a group of peptides that are protease inhibitors

spumigins
plural of spumigin

spunbond
Spunbonded fabric; a type of nonwoven fabric made by extruding continuous filaments directly from thermoplastic polymer chips, forming those filaments into a web, and then causing them to bond by the application of heat or (more rarely) a catalyst.

spunbonds
plural of spunbond

sputcheon
The metal lining of a scabbard's mouth.

sputcheons
plural of sputcheon

sputtel
A volume containing sputtered fragments of a molecule in a mass spectrometer

sputtels
plural of sputtel

sputtercoating
A coating deposited via sputtering

sputtercoatings
plural of sputtercoating

sputum
Matter coughed up and expectorated from the mouth, composed of saliva and discharges from the respiratory passages such as mucus, phlegm or pus.

squadrol
A squad car that also serves as an ambulance.

squadrols
plural of squadrol

squalane
A saturated triterpene hydrocarbon made by hydrogenating squalene; used in cosmetics etc.

squalanes
plural of squalane

squaraine
Any of a class of organic dyes derived from squaric acid.

squaraines
plural of squaraine

sriracha
A Thai-style hot sauce, typically made from sun-ripened chili peppers, vinegar, garlic, sugar and salt.

srirachas
plural of sriracha

ssamjang
A thick, spicy Korean paste made from doenjang, gochujang, sesame oil, onion, garlic, green onions, and optionally brown sugar.

ssrna
Alternative form of ssRNA.

ssrnas
plural of ssrna

stachydrine
The betaine of proline (2S)-1,1-dimethylpyrrolidin-1-ium-2-carboxylate

stachyose
A tetrasaccharide found in many vegetables and plants, used as a sweetener or for its functional oligosaccharide property.

stageline
A company that operates stage-coaches.

stagelines
plural of stageline

stagma
A distilled liquid.

standish
A stand to hold ink, pens, and other writing accessories; an inkstand.

standishes
plural of standish

stannane
Tin hydride, SnH₄.
Any related organotin compound.

stannanes
plural of stannane

stannatrane
Any atrane having tin as the heteroatom.

stannatranes
plural of stannatrane

stanninane
A saturated heterocycle that has five carbon atoms and a tin atom

stannofluoride
Any of a various double fluorides of tin and some other element.