hundredth

adj

1. (not-comparable)The 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.”

noun

1. The person or thing in the hundredth position.
2. 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.”