a member of a Naval Special Warfare unit who is trained for unconventional warfare
<noun.person>

Navy SEAL

SEAL

sample sentences

"SEAL is an acronym for Sea Air and Land"

a form of staphylococcal enterotoxin that has been used as an incapacitating agent in biological warfare
<noun.substance>

SEB

staphylococcal enterotoxin B

an independent federal agency that oversees the exchange of securities to protect investors
<noun.group>

SEC

Securities and Exchange Commission

the compass point that is one point east of southeast
<noun.relation>

SEbE

southeast by east

the compass point that is one point south of southeast
<noun.relation>

SEbS

southeast by south

an infant whose size and weight are considerably less than the average for babies of the same age
<noun.person>

SGA infant

small-for-gestational-age infant

(computer science) a standardized language for the descriptive markup of documents; a set of rules for using whatever markup vocabulary is adopted
<noun.communication>

SGML

standard generalized markup language

the supreme headquarters that advises NATO on military matters and oversees all aspects of the Allied Command Europe
<noun.group>

SHAPE

Supreme Headquarters Allied Powers Europe

3 to 30 gigahertz
<noun.attribute>

SHF

superhigh frequency

a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela)
<noun.quantity>

International System

International System of Units

SI

SI system

SI unit

Systeme International

Systeme International d'Unites

sample sentences

"Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"

a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela)
<noun.quantity>

International System

International System of Units

SI

SI system

SI unit

Systeme International

Systeme International d'Unites

sample sentences

"Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"

a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela)
<noun.quantity>

International System

International System of Units

SI

SI system

SI unit

Systeme International

Systeme International d'Unites

sample sentences

"Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"

sudden and unexpected death of an apparently healthy infant during sleep
<noun.state>

SIDS

cot death

crib death

infant death

sudden infant death syndrome

intelligence information gathered from communications intelligence or electronics intelligence or telemetry intelligence
<noun.act>

SIGINT

signals intelligence

an agency of the Canadian government that oversees the activities of the Criminal Intelligence Services of Canada and has the power to intrude on the privacy of suspected terrorists or spies
<noun.group>

SIRC

Security Intelligence Review Committee

semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)
<noun.artifact>

Polycillin

Principen

SK-Ampicillin

ampicillin

a terrorist group formed in Peru in the late 1960s as a splinter group from the communist party of Peru; is among the most ruthless guerilla organizations in the world; seeks to destroy Peruvian institutions and replace them with a Maoist peasant regime; is involved in the cocaine trade
<noun.group>

SL

Sendero Luminoso

Shining Path

sample sentences

"Shining Path has been responsible for 30,000 deaths"

an inflammatory disease of connective tissue with variable features including fever and weakness and fatigability and joint pains and skin lesions on the face or neck or arms
<noun.state>

SLE

disseminated lupus erythematosus

systemic lupus erythematosus

a caustic detergent useful for removing grease; although commonly included in personal care items (shampoos and toothpastes etc.) it can irritate skin and should not be swallowed
<noun.substance>

SLS

sodium lauryl sulfate

sodium lauryl sulphate

a master's degree in science
<noun.communication>

MS

MSc

Master of Science

SM

a senior noncommissioned officer in the Air Force with a rank comparable to master sergeant in the Army
<noun.person>

SMSgt

senior master sergeant

(genetics) genetic variation in a DNA sequence that occurs when a single nucleotide in a genome is altered; SNPs are usually considered to be point mutations that have been evolutionarily successful enough to recur in a significant proportion of the population of a species
<noun.phenomenon>

SNP

single nucleotide polymorphism

insulting terms of address for people who are stupid or irritating or ridiculous
<noun.person>   freq. cnt.: 31 freq. cnt.: 22 freq. cnt.: 7 freq. cnt.: 2

SOB

asshole

bastard

cocksucker

dickhead

mother fucker

motherfucker

prick

shit

son of a bitch

whoreson

a dyspneic condition
<noun.state>

SOB

breathlessness

shortness of breath

an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen
<noun.substance>

SOD

superoxide dismutase

sample sentences

"oxygen free radicals are normally removed in our bodies by the superoxide dismutase enzymes"

a prescribed procedure to be followed routinely
<noun.act>

SOP

standard operating procedure

standard procedure

standing operating procedure

sample sentences

"rote memorization has been the educator's standard operating procedure for centuries"

an internationally recognized distress signal in radio code
<noun.communication>

SOS

the degree to which a sunscreen protects the skin from the direct rays of the sun
<noun.attribute>

SPF

sun protection factor

of western North America
<noun.animal>

SPipistrellus hesperus

western pipistrel

special police force in Nazi Germany founded as a personal bodyguard for Adolf Hitler in 1925; the SS administered the concentration camps
<noun.group>

SS

Schutzstaffel

the United States intelligence agency that protects current and former presidents and vice presidents and their immediate families and protects distinguished foreign visitors; detects and apprehends counterfeiters; suppresses forgery of government securities and documents
<noun.group>

SS

Secret Service

US Secret Service

USSS

United States Secret Service

an independent government agency responsible for the Social Security system
<noun.group>

SSA

Social Security Administration