memorylessadj.

Brit.

/ˈmɛm(ə)rɪlᵻs/, U.S.

/ˈmɛm(ə)rilᵻs/

Origin: Formed within English, by derivation. Etymons: memory n., -less suffix.

Etymology: < memory n. + -less suffix.

1. Of a person, attribute, etc.: having no memory.

ΘΚΠ

the mind > mental capacity > memory > faulty recollection > [adjective]

forgetelc1000

forgetful1382

mindlessa1425

obliviousc1450

unremembered1453

immemor1535

unremembering1540

unrecalling1594

immemorious1602

elapsive1652

remindless1657

unrecording1813

unretentive1825

forgetting1847

memoryless1857

1857 J. R. Lowell Let. 14 May in Atlantic Monthly (1892) Dec. 755/1 I am glad you do not forget me, though I seem so memoryless and ungrateful.

1930 G. Manning-Sanders Burnt Man xi. 125 She had helped to nurse this memoryless man back to life.

1979 M. Kolbenschlag Kiss Sleeping Beauty Good-bye p. xiv The faith that is expressed here..is not backward-looking or nostalgic; nor is it blindly iconoclastic and memoryless.

2. Of, relating to, or designating systems (esp. sequences of random variables), in which the value of each element or state is independent of those that have gone before.

ΚΠ

1956 C. Shannon in IRE Trans. Information Theory 2 8/1 We shall consider only finite discrete memoryless channels... The channel being memoryless means that successive operations are independent.

1977 Proc. Royal Soc. B. 199 233 The lifetime of each chemical species present is a memoryless random variable that does not depend on the age of the species.

1988 D. Welsh Codes & Cryptogr. ii. 14 X₁, X₂..is just a sequence of identically distributed, independent random variables. Such a source is called a zero-memory or memoryless source.

This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).

单词	memoryless
释义	memorylessadj. Brit. /ˈmɛm(ə)rɪlᵻs/, U.S. /ˈmɛm(ə)rilᵻs/ Origin: Formed within English, by derivation. Etymons: memory n., -less suffix. Etymology: < memory n. + -less suffix. 1. Of a person, attribute, etc.: having no memory. ΘΚΠ the mind > mental capacity > memory > faulty recollection > [adjective] forgetelc1000 forgetful1382 mindlessa1425 obliviousc1450 unremembered1453 immemor1535 unremembering1540 unrecalling1594 immemorious1602 elapsive1652 remindless1657 unrecording1813 unretentive1825 forgetting1847 memoryless1857 1857 J. R. Lowell Let. 14 May in Atlantic Monthly (1892) Dec. 755/1 I am glad you do not forget me, though I seem so memoryless and ungrateful. 1930 G. Manning-Sanders Burnt Man xi. 125 She had helped to nurse this memoryless man back to life. 1979 M. Kolbenschlag Kiss Sleeping Beauty Good-bye p. xiv The faith that is expressed here..is not backward-looking or nostalgic; nor is it blindly iconoclastic and memoryless. 2. Of, relating to, or designating systems (esp. sequences of random variables), in which the value of each element or state is independent of those that have gone before. ΚΠ 1956 C. Shannon in IRE Trans. Information Theory 2 8/1 We shall consider only finite discrete memoryless channels... The channel being memoryless means that successive operations are independent. 1977 Proc. Royal Soc. B. 199 233 The lifetime of each chemical species present is a memoryless random variable that does not depend on the age of the species. 1988 D. Welsh Codes & Cryptogr. ii. 14 X₁, X₂..is just a sequence of identically distributed, independent random variables. Such a source is called a zero-memory or memoryless source. This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022). < adj.1857
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