answers from Sacramento on September 02, 2009. My lips have always turned blue when I am cold and I have no underlying health issues. My son is now 11 and his lips have always turned blue as well with no health issues. Some people are just more sensitive to the cold.
Define substantially. substantially synonyms, substantially pronunciation, substantially translation, English dictionary definition of substantially. adj. 1. Considerable in importance, value, degree, amount, or extent: made a substantial improvement; won by a substantial margin. 2. Solidly built; strong:...
Definition of tangible. 1  1a : capable of being perceived especially by the sense of touch : palpableb : substantially real : material. 2  2 : capable of being precisely identified or realized by the mind her grief was tangible. 3  3 : capable of being appraised at an actual or approximate value tangible assets.