EJECTION

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does ejection mean? 

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

1. the act of expelling or projecting or ejecting

2. the act of forcing out someone or something

  Familiarity information: EJECTION used as a noun is rare.

 Dictionary entry details 

• EJECTION (noun)

Sense 1

Meaning:

The act of expelling or projecting or ejecting

Classified under:

Nouns denoting acts or actions

Synonyms:

ejection; expulsion; forcing out; projection

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

actuation; propulsion (the act of propelling)

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

belch; belching; burp; burping; eructation (a reflex that expels gas noisily from the stomach through the mouth)

belching (the forceful expulsion of something from inside)

coughing up (the act of expelling (food or phlegm) by coughing)

expectoration; spit; spitting (the act of spitting (forcefully expelling saliva))

disgorgement; emesis; puking; regurgitation; vomit; vomiting (the reflex act of ejecting the contents of the stomach through the mouth)

Derivation:

eject (eliminate (a substance))

eject (cause to come out in a squirt)

eject (leave an aircraft rapidly, using an ejection seat or capsule)

Sense 2

Meaning:

The act of forcing out someone or something

Classified under:

Nouns denoting acts or actions

Synonyms:

ejection; exclusion; expulsion; riddance

Context example:

the child's expulsion from school

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

banishment; proscription (rejection by means of an act of banishing or proscribing someone)

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

defenestration (the act of throwing someone or something out of a window)

deportation (the expulsion from a country of an undesirable alien)

ostracism (the act of excluding someone from society by general consent)

barring; blackball (the act of excluding someone by a negative vote or veto)

ouster; ousting (the act of ejecting someone or forcing them out)

Derivation:

eject (put out or expel from a place)

 Context examples 

Defined in terms of ejection fraction, a good clinical indicator of ventricular systolic function.

(Left Ventricular Systolic Dysfunction Adverse Event, NCI Thesaurus)

Quantitatively, the ejection fraction is considered higher than 70%.

(Hyperdynamic Ventricular Ejection Fraction, NCI Thesaurus)

Issue associated with the unintended ejection of device component materials.

(Expulsion, Food and Drug Administration)

Terminology associated with the left ventricular ejection fraction measurement result codelist of the Clinical Data Interchange Standards Consortium (CDISC) Standard Data Tabulation Model (SDTM).

(CDISC SDTM Left Ventricular Ejection Fraction Measurement Result Terminology, NCI Thesaurus)

Any agent that promotes ejection of mucus or exudate from the lungs, bronchi and trachea by decreasing mucus viscosity or by increasing the secretion of mucus in a dry, unproductive cough.

(Expectorant, NCI Thesaurus)

Quantitatively, the ejection fraction is considered between 40% to 49%.

(Mildly Abnormal Ejection Fraction, NCI Thesaurus)

Quantitatively, the ejection fraction is considered between 50% to 70%.

(Normal Ventricular Ejection Fraction, NCI Thesaurus)

The OSIRIS-REx team first observed a particle-ejection event in images captured by the spacecraft's navigation cameras taken on Jan. 6, just a week after the spacecraft entered its first orbit around Bennu.

(NASA's OSIRIS-REx Explains Bennu Mystery Particles, NASA)

Terminology for results of left ventricular ejection fraction assessments.

(CDISC SDTM Left Ventricular Ejection Fraction Measurement Result Terminology, NCI Thesaurus/CDISC)

Quantitatively, the ejection fraction is considered between 30% to 39%.

(Moderately Abnormal Ejection Fraction, NCI Thesaurus)