significandn.

Brit.

/sᵻɡˈnɪfᵻkand/, U.S.

/sᵻɡˈnɪfᵻkænd/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin significāre , -and suffix².

Etymology: < classical Latin significāre signify v. + -and suffix².

1. Perhaps: that which is signified. rare.

ΚΠ

1942 Philos. & Phenomenol. Res. 2 511 Sign and significand, symbol and referend, are never quite identical.

2. Computing. = mantissa n. 2b.

ΘΚΠ

society > computing and information technology > [noun] > numerical representation > mantissa

mantissa1959

significand1967

1967 SIAM Jrnl. Numerical Anal. 4 101 A Control Data 1604A with a 36-bit floating point significand was used.

1987 C. S. Wei Developing Three-dimensional CAD Software with IBM PC 264 The rightmost 23 bits constitute the mantissa or significand, the next 8 bits the exponent, and the leftmost bit is the mantissa's sign bit.

2007 Electronic Musician (Nexis) Apr. 68 To create a floating-point number from a fixed-point number, lop off the significant digits from the left of the expression (the significand, or 2.1 in this case).

This is a new entry (OED Third Edition, September 2011; most recently modified version published online March 2022).

单词	significand
释义	significandn. Brit. /sᵻɡˈnɪfᵻkand/, U.S. /sᵻɡˈnɪfᵻkænd/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin significāre , -and suffix². Etymology: < classical Latin significāre signify v. + -and suffix². 1. Perhaps: that which is signified. rare. ΚΠ 1942 Philos. & Phenomenol. Res. 2 511 Sign and significand, symbol and referend, are never quite identical. 2. Computing. = mantissa n. 2b. ΘΚΠ society > computing and information technology > [noun] > numerical representation > mantissa mantissa1959 significand1967 1967 SIAM Jrnl. Numerical Anal. 4 101 A Control Data 1604A with a 36-bit floating point significand was used. 1987 C. S. Wei Developing Three-dimensional CAD Software with IBM PC 264 The rightmost 23 bits constitute the mantissa or significand, the next 8 bits the exponent, and the leftmost bit is the mantissa's sign bit. 2007 Electronic Musician (Nexis) Apr. 68 To create a floating-point number from a fixed-point number, lop off the significant digits from the left of the expression (the significand, or 2.1 in this case). This is a new entry (OED Third Edition, September 2011; most recently modified version published online March 2022). < n.1942
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