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

---

lac ² British  

/ læk /

noun

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

---

lac ³ British  

/ lɑːk /

noun

1. a variant spelling of lakh

---

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

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

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

From Textbooks • Jun. 9, 2022

Glucose must not be present, and lactose must be available for the lac operon to be transcribed.

From Textbooks • Jun. 9, 2022

The first example of such control was discovered using E. coli in the 1950s and 1960s by French researchers and is called the lac operon.

From Textbooks • Apr. 25, 2013

The jungle tribes collect gum from several varieties of trees, and in Sind the Forest Department derives a small revenue from lac.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 "Bohemia" to "Borgia, Francis" by Various