nucleatorn.
/ˈnjuːklɪeɪtə/, U.S. /ˈn(j)ukliˌeɪdər/ Science.
A substance that acts as a nucleus or provides nuclei; a substance that initiates a process at a particular location.
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the world > matter > chemistry > atomic chemistry > [noun] > nucleus > substance providing
nucleator1903
1903 Nature 3 Dec. 103/1 Phosphorus as a nucleator suddenly bursts forth into maximum activity at about 13°.
1961 New Scientist 28 Sept. 813/1 Steroids can act as effective ice nucleators.
1966 Science 29 July 541/3 This may indicate that a heterogeneous catalyst..also serves as a ‘nucleator’ by governing the conformation of the polymer as it leaves the surface.
1990 Sci. Amer. Dec. 64/3 Biological nucleators in freeze-tolerant animals are most often specific blood proteins (called ice-nucleating proteins) that are synthesized during the autumn months.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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n.1903- upon the point to
- upon the postfact
- upon the pulse
- upon the push
- upon the qui vive
- upon the ramble
- upon the randan
- upon the reserve
- upon the rice
- upon the river
- upon the road
- upon the rove
- upon the rud
- upon the same measure
- upon the say-so of
- upon the sayso of
- upon the scent
- upon the scent of
- upon the score
- upon the score of
- upon the sea
- upon the sham
- upon the show
- upon the shun
- upon the side of