hundredth/ˈhʌndɹə(d)θ/EtymologyFrom Middle English hundred (“hundredth”); equivalent to and remodelled after hundred + -th (ordinal suffix). The Old English term was hundtēontigoþa.hundredth means the ordinal form of the number one hundred. Lexicurio rates it Rare gem — a strength score of 71 out of 100.adjThe ordinal form of the number one hundred.“This being Woodie Guthrie’s a hundredth birthday, in the centerpiece of this year’s South by Southwest Conference, I’m also gonna talk a little bit about my musical development and where it intersected with Woodie’s and why.”nounThe person or thing in the hundredth position.One of a hundred equal parts of a whole.“We humans are so stuck in the middle of the cosmic scales — in average height, one-hundredth of one-septillionth (10^-24) the size of the observable universe, and with typical life spans of a couple octillion attoseconds. And an attosecond is an eternity compared with the lifetime of the elusive Higgs boson, a subatomic particle that exists for one-thousandth of an attosecond before decaying.”