The workshop is restricted to 18+ participants because it covers legal and financial topics intended for adults.

At the youth festival, the 18s formed a cheering section near the stage.

She finally stuck an 18 off the big jump, earning cheers from the crowd.

18-wheelers rumbled through the mountain pass despite the icy conditions.

The band announced they would perform under the name 14-'18 for the anniversary concert.

The 18-wheeler rolled slowly through the mountain pass as its driver carefully navigated the sharp curves.

After work we squeezed in 18 holes before the clubhouse closed.

W-18, a synthetic opioid found in seized drug samples, is reportedly about 100 times more potent than fentanyl and 10,000 times more potent than morphine.

The museum's exhibit "14-18" chronicles the daily life of soldiers in the trenches.

Researchers measured the diffusion rate of oxygen-18 in the crystal lattice to study isotope effects.