q (EN)

letter, determiner, symbol

letter “q”

1. the lowercase form of the letter "Q"
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   In the word "quick," the letter "q" is followed by a "u."

determiner “q”

1. used in medicine to mean "each" followed by a time period
   Take 1 tablet q 8 hrs for pain relief.

symbol “q”

1. a symbol for electrical charge in physics
   The formula q = I * t calculates the total electrical charge from the current (I) and the time (t) it flows.
2. a symbol for dynamic pressure in fluid dynamics
   The aircraft's wings are designed to withstand the dynamic pressure q = ½ρv², where ρ is the air density and v is the velocity.