test-tube
1 of 2adjective
ˈtes(t)-ˌt(y)üb 
1
: in vitro
test-tube experiments
2
: produced by in vitro fertilization
test-tube babies
test tube
2 of 2noun
: a plain or lipped tube usually of thin glass closed at one end and used especially in chemistry and biology
Example Sentences
Recent Examples on the Web
John H. Cochrane, WSJ, 24 Aug. 2022 Now, those minor-league test tube bonus babies are nearly ready for the bigs. Gabe Lacques, USA TODAY, 17 July 2022 And in test tube studies, the aloe plant has been shown to have anti-inflammatory properties. Caroline Picard, Good Housekeeping, 17 July 2022 But mRNA technology is something like a hack: even though mRNA vaccines can be synthesized in a test tube, our bodies recognize them as biological. Achal Prabhala, Scientific American, 11 July 2022 Initially, Doudna and Charpentier used CRISPR to cut DNA in a test tube. Ryan Cross, BostonGlobe.com, 28 June 2022 The usual sense of being thrown together in a show biz test tube eludes them. Michelle Ruiz, Vogue, 4 Apr. 2022 Despite what may be an initial reluctance to suckle their babies with milk made in a test tube, Stefani Bardin, who teaches food technology and design at New York University and Parsons School of Design, says there will be takers. Alexandra Sternlicht, Forbes, 22 May 2022 All this study showed is that when human liver cells in a test tube is exposed to the components of the Pfizer Covid-19 mRNA vaccine, the liver cells do take up the vaccine components fairly rapidly. Bruce Y. Lee, Forbes, 2 May 2022 See More
Noun
But a good experiment requires everyone to leave the test tube alone. John H. Cochrane, WSJ, 24 Aug. 2022 Now, those minor-league test tube bonus babies are nearly ready for the bigs. Gabe Lacques, USA TODAY, 17 July 2022 And in test tube studies, the aloe plant has been shown to have anti-inflammatory properties. Caroline Picard, Good Housekeeping, 17 July 2022 But mRNA technology is something like a hack: even though mRNA vaccines can be synthesized in a test tube, our bodies recognize them as biological. Achal Prabhala, Scientific American, 11 July 2022 Initially, Doudna and Charpentier used CRISPR to cut DNA in a test tube. Ryan Cross, BostonGlobe.com, 28 June 2022 The usual sense of being thrown together in a show biz test tube eludes them. Michelle Ruiz, Vogue, 4 Apr. 2022 Despite what may be an initial reluctance to suckle their babies with milk made in a test tube, Stefani Bardin, who teaches food technology and design at New York University and Parsons School of Design, says there will be takers. Alexandra Sternlicht, Forbes, 22 May 2022 All this study showed is that when human liver cells in a test tube is exposed to the components of the Pfizer Covid-19 mRNA vaccine, the liver cells do take up the vaccine components fairly rapidly. Bruce Y. Lee, Forbes, 2 May 2022 See More Word History
First Known Use
Adjective
1866, in the meaning defined at sense 1
Noun
1846, in the meaning defined above
Kids Definition
test tube
noun
: a tube of thin glass closed at one end and used especially in chemistry and biology
Medical Definition
test-tube 1 of 2
adjective
1
: in vitro
test-tube experiments
2
: produced by in vitro fertilization
test-tube babies
test tube
2 of 2noun
: a plain or lipped tube usually of thin glass closed at one end and used especially in chemistry and biology
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