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  • lac
    lac
    noun
    a resinous substance deposited on the twigs of various trees in southern Asia by the female of the lac insect: used in the manufacture of varnishes, sealing wax, etc., and in the production of a red coloring matter.
  • LAC
    LAC
    leading aircraftsman.

lac

1 American  
[lak] / læk /

noun

  1. a resinous substance deposited on the twigs of various trees in southern Asia by the female of the lac insect: used in the manufacture of varnishes, sealing wax, etc., and in the production of a red coloring matter.


lac 2 American  
[lahk] / lɑk /

noun

  1. lakh.


lac 3 American  
[lak] / læk /

noun

  1. (in prescriptions) milk.


LAC 4 American  
  1. leading aircraftsman.


LAC 1 British  

abbreviation

  1. leading aircraftman

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lac 2 British  
/ læk /

noun

  1. a resinous substance secreted by certain lac insects, used in the manufacture of shellac

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lac 3 British  
/ lɑːk /

noun

  1. a variant spelling of lakh

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lac1

First recorded in 1400–50; Middle English lacca, from Dutch lak or French lac, laque, from Old French lacce, lache, from Medieval Latin lac, lacca, from Arabic lakk, from Persian lak, from Hindi lākh, from Prakrit lākkhā, from Sanskrit lākṣā

Origin of lac3

From Latin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The 80-seat cafe serves Vietnamese classics such as fish sauce wings and luc lac shaking beef along with fusion dishes, such as the fried chicken with pandan waffles.

From Seattle Times • May 4, 2024

Therefore it is ON by default whereas the lac operon is repressible and is OFF by default.

From Textbooks • Jun. 9, 2022

In the presence of lactose, the lac operon will not be transcribed.

From Textbooks • Jun. 9, 2022

The lac operon undergoes transcriptional attenuation and therefore is OFF by default, whereas the trp operon is not regulated by any such mechanism and is ON by default.

From Textbooks • Jun. 9, 2022

Dem sho' is nice ones you got dere on de she'f, and oyster soup and rice soup and all lac dat.

From Slave Narratives: A Folk History of Slavery in the United States From Interviews with Former Slaves: Volume I, Alabama Narratives by United States. Work Projects Administration

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