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单词 sublethal
释义

sublethaladj.

Brit. /ˌsʌbˈliːθl/, U.S. /ˌsəbˈliθ(ə)l/
Origin: Formed within English, by derivation. Etymons: sub- prefix, lethal adj.
Etymology: < sub- prefix + lethal adj.
1. Less than lethal.
ΘΚΠ
the world > health and disease > healing > medical treatment > types of treatment generally > [adjective] > sub- or supra-lethal
sublethal1887
supralethal1907
1887 Jrnl. Physiol. 8 209 A review of the foregoing table of experiments shows that repeated inoculation of pigeons with sub-lethal doses of rattlesnake venom produces a continually increasing resistance towards the injurious effects of the poison without apparent influence on the general health of the animals.
1896 T. C. Allbutt et al. Syst. Med. I. 561 Beginning with minute sub~lethal doses of fully virulent poisons.
1937 Ann. Reg. 1936 59 Experimental epidemiologists showed the importance of latent and sub-lethal infection.
1993 Amicus Jrnl. Spring 39/2 Sublethal effects of the spill are being expressed as mutations in the fish.
2000 R. P. Dobash et al. in M. S. Kimmel & A. Aronson Gendered Society Reader 378 Spousal homicides..produce much more nearly equivalent numbers of male and female victims in the United States than do sublethal assault data.
2. Genetics. Of a gene, chromosomal abnormality, etc.: causing a reduction in (but not complete loss of) viability; spec. = subvital adj. 2. Cf. lethal adj. 1d, semi-lethal adj.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic components > [adjective] > chromosomal or allele abnormality
lethal1917
sublethal1918
subvital1948
1918 Jrnl. Heredity 9 162/1 The presence of sublethal factors may often be recognized by the abnormal ratios in the second generation.
1945 E. J. Perry et al. Artific. Insemination Farm Animals ix. 164 A lethal gene is one which leads to the premature death of the individual whether it be in utero, at birth or after birth. We often hear the latter two spoken of as sublethal or semi-lethal.
1991 Internat. Jrnl. Radiation Oncol., Biol., Physics 21 1457 Very few single breaks fail to rejoin or restitute, so the vast majority are sublethal.
2005 Basic & Appl. Ecol. 6 327/1 Selection will purge lethal and sublethal mutations.

Derivatives

ˌsubˈlethally adv.
ΘΚΠ
the world > life > biology > laboratory analysis > processes > [adverb] > others
cryoscopically1892
plethysmographically1897
turbidimetrically1918
sublethally1922
1922 Jrnl. Metabolic Res. 2 329 In rabbits and cats there is a marked chronic increase in heat production when the suprarenal function is sufficiently but sublethally crippled in these animals.
1992 D. P. Speert in C. E. Lewis & J. O'D. McGee Macrophage v. 234 Spleen cells from sublethally infected mice have an enhanced capacity to produce TNFα.
2009 Internat. Jrnl. Parasitol. 39 1154/2 In our experiments, sub-lethally exposed larvae were not subsequently used to infect a host.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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adj.1887
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