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Adding the prefix "in" to a word often indicates negation or the opposite meaning. For example, adding "in" to the word "visible" creates "invisible," meaning not able to be seen. This prefix can change the meaning of a word to its opposite.
Adding text
Adding "un-" to a word typically adds a negative or opposite meaning to the original word. For example, adding "un-" to the word "happy" creates the word "unhappy," which means not happy.
Adding the prefix in makes it not. For example inadequate. It means NOT adequate.
The meaning of exothermic is "which loss heat".
caculated
Adding "en" to a word often creates a verb or modifies its meaning. For example, "large" becomes "enlarge," meaning to make larger, and "rich" becomes "enrich," meaning to make richer. This prefix typically implies a transformation or enhancement of the original word’s meaning.
The meaning of endothermic is "which absorb heat".
I see no meaning for it to be a mandatory subject. It does not help adding up a bunch of letters!
Adding the prefix "over-" to the word "priced" changes the meaning of the word to "priced higher than usual or beyond reasonable value".
AD is if someonewant to adding me to the yahoo list ad is the meaning?
The Lowest Common Denominator is needed when adding or subtracting fractions.