Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sensitise is a verb meaning "cause to sense; make sensitive". It carries 4 recorded senses.
cause to sense; make sensitive
“She sensitized me with respect to gender differences in this traditional male-dominated society”
“My tongue became sensitized to good wine”
make sensitive to a drug or allergen
“Long-term exposure to this medicine may sensitize you to the allergen”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for sensitise come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.