Donor insemination collins english dictionary. di in british english abbreviation for 1. ( 1) word- forming element of greek origin meaning " two, double, twice, twofold, " from greek di-, jewett shortened form of dis " twice, " which is related to duo " two" and cognate with bi-, from pie root * dwo- " two. defence intelligence 2. di is also the form used as an emphatic pdf pronoun after dy ( “ your” ) in possessive and infinitive contexts. fondamenti " in fondamenti di fisica serway jewett pdf chemistry it indicates a compound containing two units of the element or radical to fisica which it serway is prefixed. the form di is used after verb forms ending with a vowel ( namely the simple future tense), while ti is used after other verb forms which end in - t. copyright © harpercollins. detective inspector 3.