TRIMESTER

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does trimester mean? 

• TRIMESTER (noun)
  The noun TRIMESTER has 2 senses:

1. a period of three months; especially one of the three three-month periods into which human pregnancy is divided

2. one of three divisions of an academic year

  Familiarity information: TRIMESTER used as a noun is rare.

 Dictionary entry details 

• TRIMESTER (noun)

Sense 1

Meaning:

A period of three months; especially one of the three three-month periods into which human pregnancy is divided

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("trimester" is a kind of...):

period; period of time; time period (an amount of time)

Hyponyms (each of the following is a kind of "trimester"):

first trimester (time period extending from the first day of the last menstrual period through 12 weeks of gestation)

second trimester (time period extending from the 13th to the 27th week of gestation)

third trimester (time period extending from the 28th week of gestation until delivery)

Holonyms ("trimester" is a part of...):

gestation; gestation period (the period during which an embryo develops (about 266 days in humans))

Sense 2

Meaning:

One of three divisions of an academic year

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("trimester" is a kind of...):

academic session; academic term; school term; session (the time during which a school holds classes)

Holonyms ("trimester" is a part of...):

academic year; school year (the period of time each year when the school is open and people are studying)

 Context examples 

Each three-month period of pregnancy is called a trimester.

(Fetal Health and Development, NIH)

A non-invasive test usually done during the third trimester to check for fetal well being.

(Obstetric Non-Stress Test, NCI Thesaurus)

A clinical diagnosis presenting with painless cervical dilatation and spontaneous mid-trimester birth in recurrent pregnancies in the absence of spontaneous membrane rupture, bleeding or clinical chorioamnionitis.

(Cervical Insufficiency, NCI Thesaurus)

This study compared the wellbeing of parents in the third trimester of pregnancy with that when their child was four months old.

(Prenatal parental stress linked to behaviour problems in toddlers, University of Cambridge)

Most women get a test to check for diabetes during their second trimester of pregnancy.

(Diabetes and Pregnancy, NIH: National Institute of Diabetes and Digestive and Kidney Diseases)

This variant is fatal, usually during the second or third trimester of pregnancy.

(Lethal Multiple Pterygium Syndrome, NCI Thesaurus)

This is the most common cause in the first trimester.

(Miscarriage, NIH: National Institute of Child Health and Human Development)

An autoimmune bullous dermatitis that develops during pregnancy, most often during the second and third trimesters.

(Pemphigoid Gestationis, NCI Thesaurus)

Women in the study had earlier responded to a questionnaire indicating whether they had taken a supplement containing folic acid in the second and third trimesters of pregnancy.

(New study suggests high lead levels during pregnancy linked to child obesity, National Institutes of Health)

Painless hemorrhage in the last trimester, particularly during the eighth month, is the most common symptom.

(Placenta Previa, NLM, Medical Subject Headings)