materially adverb (IMPORTANTLY) formal in an important or noticeable way: Even if mistakes were made in the counting of votes, they wouldn't have materially affected the results.

materially [ m uh - teer -ee- uh -lee ] Phonetic (Standard)IPA adverb to an important degree; considerably: Their endorsement didn't help materially. with reference to matter or material things and conditions; physically. Philosophy. with regard to matter or substance as distinguished from form.

Definition of materially adverb from the Oxford Advanced Learner's Dictionary materially adverb /məˈtɪəriəli/ /məˈtɪriəli/ (formal or law) in a clear and definite or important way

From Longman Dictionary of Contemporary English ma‧te‧ri‧al‧ly /məˈtɪəriəli $ -ˈtɪr-/ adverb 1 formal in a big enough or strong enough way to change a situation This would materially affect US security. 2 [sentence adverb] in relation to possessions and money, rather than the needs of a person’s mind or soul OPP spiritually Materially, we are better off than ever before.