(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
<noun.attribute>

S

entropy

randomness

sample sentences

"entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity"

the 19th letter of the Roman alphabet
<noun.communication>

S

s

a unit of conductance equal to the reciprocal of an ohm
<noun.quantity>

S

mho

reciprocal ohm

siemens

the cardinal compass point that is at 180 degrees
<noun.relation>   freq. cnt.: 2 freq. cnt.: 2

S

due south

south

southward

an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
<noun.substance>   freq. cnt.: 1 freq. cnt.: 1

S

atomic number 16

sulfur

sulphur

a wrench with an S-shaped handle
<noun.artifact>

S wrench

a double curve resembling the letter S
<noun.shape>

S-shape

United States writer of detective novels (1888-1939)
<noun.person>

S. S. Van Dine

Willard Huntington Wright

Wright

United States psychologist and psychophysicist who proposed Stevens' power law to replace Fechner's law (1906-1973)
<noun.person>

S. Smith Stevens

Smitty Stevens

Stanley Smith Stevens

Stevens

a state in the Deep South; one of the original 13 colonies
<noun.location>

Palmetto State

S.C.

SC

South Carolina

a state in north central United States
<noun.location>

Coyote State

Mount Rushmore State

S.D.

SD

South Dakota

a high-performance four-wheel drive car built on a truck chassis
<noun.artifact>

S.U.V.

SUV

sport utility

sport utility vehicle

the ratio of signal intensity to noise intensity
<noun.relation>   freq. cnt.: 1 freq. cnt.: 1

S/N

signal-to-noise

signal-to-noise ratio

signal/noise

signal/noise ratio

Nazi militia created by Hitler in 1921 that helped him to power but was eclipsed by the SS after 1943
<noun.group>

SA

Storm Troops

Sturmabteilung

a specialized bit of heart tissue that controls the heartbeat
<noun.body>

SA node

cardiac pacemaker

pacemaker

sinoatrial node

commanding officer of ACE; NATO's senior military commander in Europe
<noun.group>

SACEUR

Supreme Allied Commander Europe

commanding officer of ACLANT; a general of the United States Army nominated by the President of the United States and approved by the North Atlantic Council
<noun.group>

SACLANT

Supreme Allied Commander Atlantic

negotiations between the United States and the Union of Soviet Socialist Republics opened in 1969 in Helsinki designed to limit both countries' stock of nuclear weapons
<noun.communication>

SALT

Strategic Arms Limitation Talks

the first treaty between the United States and the Union of Soviet Socialist Republics resulting from the Strategic Arms Limitation Talks
<noun.communication>

SALT I

the second treaty between the United States and the Union of Soviet Socialist Republics resulting from the Strategic Arms Limitation Talks
<noun.communication>

SALT II

a guided missile fired from land or shipboard against an airborne target
<noun.artifact>

SAM

surface-to-air missile

a respiratory disease of unknown etiology that apparently originated in mainland China in 2003; characterized by fever and coughing or difficulty breathing or hypoxia; can be fatal
<noun.state>

SARS

severe acute respiratory syndrome

a specialist regiment of the British army that is trained in commando techniques of warfare and used in clandestine operations (especially against terrorist groups)
<noun.group>

SAS

Special Air Service

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

BS

Bachelor of Science

SB

an independent agency of the United States government that protects the interests of small businesses and ensures that they receive a fair share of government contracts
<noun.group>

SBA

Small Business Administration

a permanent council of the United Nations; responsible for preserving world peace
<noun.group>

SC

Security Council

a state in the Deep South; one of the original 13 colonies
<noun.location>

Palmetto State

S.C.

SC

South Carolina

the coordinated universal time on board the spacecraft
<noun.time>

SCET

spacecraft event time

sample sentences

"SCET = TRM + OWLT"

a congenital disease affecting T cells that can result from a mutation in any one of several different genes; children with it are susceptible to infectious disease; if untreated it is lethal within the first year or two of life
<noun.state>

SCID

severe combined immunodeficiency

severe combined immunodeficiency disease

the clock time given by a clock carried on board a spacecraft
<noun.time>

SCLK

spacecraft clock time

moving a cell nucleus and its genetic material from one cell to another
<noun.act>

SCNT

nuclear transplantation

somatic cell nuclear transfer

somatic cell nuclear transplantation

a senior noncommissioned officer in the Navy or Coast Guard with a rank comparable to master sergeant in the Army
<noun.person>

SCPO

senior chief petty officer

interface consisting of a standard port between a computer and its peripherals that is used in some computers
<noun.artifact>

SCSI

small computer system interface

a state in north central United States
<noun.location>

Coyote State

Mount Rushmore State

S.D.

SD

South Dakota

the compass point midway between south and east; at 135 degrees
<noun.relation>   freq. cnt.: 1 freq. cnt.: 1

SE

sou'-east

southeast

southeastward