Q (EN)

letter, noun, adjective, symbol

letter “Q”

1. the uppercase form of the letter "q"
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   The name Quentin starts with the letter "Q".

noun “Q”

1. abbreviaiton for "question" or "questions"
   You will find the Q and A on the last page.
2. abbreviation of quarter (3 consecutive months)
   The company's profits increased significantly in Q2 compared to Q1.

adjective “Q”

1. abbreviation of "qualified" in sports
   On the board we can see Team A (Q) and Team B (NQ).

symbol “Q”

1. symbol for the queen in card games and chess
   Q to D8 puts the opponent's king in check.
2. in biochemistry, the one-letter code for the amino acid glutamine
   In the protein sequence, "Q" stands for glutamine, an amino acid important for immune function.
3. in physics, represents the quantity of electric charge
   In the formula Q = I * t, I is the current, and t is the time.
4. in physics, stands for the force per unit area caused by fluid motion
   In aerodynamics, the dynamic pressure Q = 1/2 * ρ * v^2, where ρ is the air density and v is the velocity of the aircraft.