amp

¹

[ amp ]

noun

, Electricity.

1. ampere.

amp

²

[ amp ]

noun

1. amplifier ( def 2 ).

verb (used with object)

1. to excite or energize (usually followed by up ):

   We were so amped up for the game that we forgot to eat.

amp

³

[ amp ]

noun

, Slang.

1. amputation.
2. amputee.

AMP

⁴

abbreviation for

, Biochemistry.

1. a white, crystalline, water-soluble nucleotide, C 10 H 12 N 5 O 3 H 2 PO 4 , obtained by the partial hydrolysis of ATP or of ribonucleic acid, yielding on hydrolysis adenine, ribose, and orthophosphoric acid.

amp.

⁵

abbreviation for

, Electricity.

1. amperage.
2. ampere; amperes.

amp.

¹

abbreviation for

1. ampere

AMP

²

abbreviation for

1. adenosine monophosphate
2. Australian Mutual Provident Society

amp

³

/ æmp /

noun

1. an ampere
2. informal.
   an amplifier

verb

1. informal.
   to excite or become excited

AMP

/ ā′ĕm-pē′ /

1. Short for adenosine monophosphate. An organic compound that is composed of adenosine and one phosphate group. It is one of the nucleotides present in DNA and RNA, and is also the fundamental component of ATP and ADP. During certain cellular metabolic processes, AMP forms from ADP when the latter loses a phosphate group, and AMP forms ADP by acquiring a phosphate group. Chemical formula: C 10 H 14 N 5 O 7 P.

amp

1. A unit of electric current (see also current ). One ampere corresponds to a certain number of electrons passing a fixed point each second.

Notes

A typical household's electrical supply includes a total of 120 to 200 amps; a typical house circuit carries 15 to 50 amps.

Word History and Origins

Origin of amp¹

First recorded in 1880–85; by shortening

Origin of amp²

First recorded in 1945–50; by shortening

Origin of amp³

First recorded in 1925–30; by shortening

Origin of amp⁴

First recorded in 1950–55; a(denosine) m(ono-)p(hosphate)

Example Sentences

Most Californians can expect cooler temperatures for the next few days, though a midweek switch in weather patterns is forecast to amp up winds, increasing the risk for wildfire ignition and spread.

From Los Angeles Times

The 49ers defense seems to amp its intensity and physical play in games against the Rams.

From Los Angeles Times

But there wouldn’t be a movie if that went off without a hitch, and as the situation begins to deteriorate, Fargeat amps up the gore and gruesomeness to epic levels.

From Los Angeles Times

The effort "amps collaboration up to a new level," said Stuart McCook, a historian at the University of Guelph in Ontario who studies coffee and other tropical commodities and who is not involved in Innovea.

From Salon

Gotye’s “Somebody That I Used to Know” is bumping from a knee-high amp as women, men and nonbinary folks congregate and coast on the pavement on their wheels of choice.

From Los Angeles Times