Asker's rating. 1  Ford Xlt. 2  Ford came out with the XL trim package originally in April of 1962 for the Galaxie & Fairlane models. 3  Back in the day before you had your choice of 100 different trip levels, Ford had the XL, XLT, XLT Lariat trim levels. 4  Extra Luxury Trim. 5  What Does Xlt Mean.
The weak hypercharge in particle physics is a quantum number relating the electric charge and the third component of weak isospin.
tachÂ·yÂ·carÂ·diÂ·a (tÄkâ²Ä­-kÃ¤râ²dÄ-É) n. A rapid heart rate, especially one above 100 beats per minute in an adult. [tachy- + Greek kardiÄ, heart; see cardia.] tachâ²yÂ·carâ²diÂ·ac (-dÄ-Äk) adj. & n. tachycardia (ËtÃ¦kÉªËkÉËdÉªÉ) n (Pathology) pathol abnormally rapid beating of the heart, esp over 100 beats per minute. tachâ¢yâ¢carâ¢diâ¢a (ËtÃ¦k ÉªËkÉr di É) n. excessively rapid heartbeat. tachycardia abnormally rapid beating of the heart.