molecular clock

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noun

the changes in the amino acid sequences of proteins that take place during evolution and speciation, and from which the dates of branchings of taxonomic groups can be deduced.

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Words nearby molecular clock

mole cricket, molecular, molecular astronomy, molecular beam, molecular biology, molecular clock, molecular cloud, molecular computing, molecular distillation, molecular film, molecular formula

How to use molecular clock in a sentence

France 24 is providing live, round-the-clock coverage of both scenes as they progress.
LIVE Coverage of the Paris Terror Attacks||January 9, 2015|DAILY BEAST
The wine cellar—one of the best in the world—survived World War II and is guarded around the clock.
Inside The World’s 10 Oldest Restaurants|Justin Jones|December 20, 2014|DAILY BEAST
They thrive on packed schedules, they say, and take pleasure in working around the clock.
How the Property Brothers Became Your Mom’s Favorite TV Stars|Kevin Fallon|November 25, 2014|DAILY BEAST
He becomes increasingly paranoid by the societal fixtures around him—a ticking clock, a ringing phone.
‘Interstellar’ Is Wildly Ambitious, Very Flawed, and Absolutely Worth Seeing|Marlow Stern|November 7, 2014|DAILY BEAST

Bill Haley had kicked rock off with “Rock Around the Clock,” but Elvis Presley made it an international phenomenon.
How Rock and Roll Killed Jim Crow|Dennis McNally|October 26, 2014|DAILY BEAST
The night wore on, and the clock downstairs was striking the hour of two when she suddenly awakened.
The Homesteader|Oscar Micheaux
The clock struck ten, and clerks poured in faster than ever, each one in a greater perspiration than his predecessor.
The Posthumous Papers of the Pickwick Club, v. 2(of 2)|Charles Dickens
As it came near, it proved to be the clock, with a sail hoisted, and the Goblin sitting complacently in the stern.
Davy and The Goblin|Charles E. Carryl
A clock was put above the spot where the fountain stood, in April, 1852, which cost £60.
Showell's Dictionary of Birmingham|Thomas T. Harman and Walter Showell
The tower has four clock faces, pinnacles at the angles, and a steep slate roof and is 120 feet high.
Showell's Dictionary of Birmingham|Thomas T. Harman and Walter Showell