microchipn.
/ˈmʌɪkrə(ʊ)tʃɪp/, U.S. /ˈmaɪkroʊˌtʃɪp/, /ˈmaɪkrəˌtʃɪp/ 1. An integrated circuit; a microprocessor; (also) a tiny wafer of semiconducting material on which an integrated circuit has been or can be made.
ΘΚΠ
society > computing and information technology > hardware > [noun] > central processing unit > types of processor
microcomputer1956
multiprocessor1961
uniprocessor1963
microchip1969
microprocessor1969
microcontroller1971
micro1978
transputer1978
coprocessor1980
RISC1980
Clipper1993
the world > matter > physics > solid state physics > semiconductivity > [noun] > crystalline piece > silicon wafer or chip
silicon wafer1956
wafer1956
chip1962
slice1964
silicon chip1965
microchip1969
wafer chip1981
1969 Science 11 July 104/1 (advt.) If a 6 foot microchip sounds crazy to you, don't tell us.
1975 Proc. 8th Connector Symp. 228/1 A simplified interconnection scheme provides sufficient space for attaching microchip components on the track side of an epoxy printed wiring board.
1979 Economist 13 Oct. 52/3 The high-growth industries of telecommunications, computers, microchips and databanks.
1991 S. Phillips Hot Shot ii. xxvii. 393 Its microchips were laid out like rows of miniature houses on the neat little village streets of the green printed circuit board.
1993 Coloradoan (Fort Collins) 10 July a9/1 Dogs and cats in Spain's largest cities must now undergo microchip implants.
2007 Daily Tel. 21 Mar. 15/2 More than 30 councils have secretly fitted microchips to wheelie bins as the Government comes under increasing pressure to increase recycling rates.
2. A very small chip in a surface. rare.
ΘΚΠ
society > occupation and work > equipment > machine tool > [noun] > chip of metal produced in machining
microchip1970
1970 Science 30 Jan. 742/3 Some originally spherical objects have pieces broken off, and some show the existence of microcracks or microchips.
1974 Jrnl. Engin. Materials & Technol. July 163/2 A microchip, which forms at the tool clearance face, is the counterpart of the built-up edge which can form at the tool rake face.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
microchipv.
/ˈmʌɪkrə(ʊ)tʃɪp/, U.S. /ˈmaɪkroʊˌtʃɪp/, /ˈmaɪkrəˌtʃɪp/ transitive. To implant a microchip in (an animal) for purposes of identification. Frequently in passive (cf. microchipped adj.).
ΚΠ
1988 San Diego Union-Tribune (Nexis) 10 Dec. ii. 1 It may take 10 years before enough pets are ‘microchipped’ and enough scanners are in use to make the system worth while.
1989 St. Petersburg (Florida) Times (Nexis) 23 July 1 h Rowdy, the first animal in Marin to be ‘microchipped’, received his implant in May.
1999 Times 24 May 11/8 Cassis..has been microchipped and vaccinated against rabies ready for the journey home.
Derivatives
ˈmicrochipping n.
ΚΠ
1991 Dogs Today Mar. 32/3 Tattooing or microchipping are really a matter of your own choice, but, if you have any doubts..have a word with your vet.
1995 Canad. Living June 195/1 Microchipping as a method of pet identification was introduced in 1987.
This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1969
v.1988