True allergies to cow's milk are relatively uncommon. Only 2 to 3 percent of children are allergic to milk, according to the AAP, and almost all of them outgrow it by age 3. (Learn the difference between a milk allergy and lactose intolerance .).
The underscore [ _ ] (also called underline, underbar, low line, or low dash) is a character that originally appeared on the typewriter and was primarily used to underline words.
Familiarity information: UNDERSCORE used as a noun is very rare. â¢ UNDERSCORE (verb). The verb UNDERSCORE has 2 senses: 1. give extra weight to (a communication). 2. draw a line or lines underneath to call attention to. Familiarity information: UNDERSCORE used as a verb is rare.amiliarity information: UNDERSCORE used as a noun is very rare. â¢ UNDERSCORE (verb). The verb UNDERSCORE has 2 senses: 1. give extra weight to (a communication). 2. draw a line or lines underneath to call attention to. Familiarity information: UNDERSCORE used as a verb is rare.