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BNC: 4917 COCA: 9974

serum

1 ENTRIES FOUND:
serum /ˈsirəm/ noun
plural serums or sera /ˈsirə/
serum
/ˈsirəm/
noun
plural serums or sera /ˈsirə/
Learner's definition of SERUM
[noncount] medical : the part of blood that is like water and that contains substances (called antibodies) that fight disease血清;抗毒血清
medical : serum from an animal's blood that can be added to a person's blood to prevent or cure disease免疫血清
[noncount]
[count]
[noncount] biology : the watery part of a fluid found in a plant(植物的)漿液,樹液
BNC: 4917 COCA: 9974

serum

1 of 2

noun

se·​rum ˈsir-əm How to pronounce serum (audio)
plural sera ˈsir-ə How to pronounce serum (audio) or serums
1
: the watery, clear portion of an animal fluid:
a
: the clear, yellowish fluid that remains from blood plasma after clotting factors (such as fibrinogen and prothrombin) have been removed by clot formation : blood serum compare antiserum, convalescent serum
b
: a normal or pathological serous fluid (as in a blister)
c
: whey
2
: a usually lightweight cosmetic preparation especially for use on the face
specifically : a typically water-based, often concentrated preparation that lacks lubricating and thickening agents
an antiaging facial serum
3
: the watery part of a plant fluid
Latex. This, the natural product of the rubber tree, is a suspension of rubber droplets in a watery serum concentrated and stabilized in such a way that the dry rubber content is between 60 and 70 per cent. C. A. O'Flaherty
see also truth serum

serum

2 of 2

adjective

: occurring or found in the blood serum
serum cholesterol
serum antibodies

Example Sentences

Word History

BNC: 4917 COCA: 9974

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