(Canada, US, education) Kindergarten through 12th grade (US)/grade 12 (Canada).

Under the Whyte notation system, a steam locomotive that has four coupled leading wheels, ten coupled driving wheels, and one pair of trailing wheels.

(organic chemistry, IUPAC name) isoprene

Under the Whyte notation system, a steam locomotive that has four coupled leading wheels, twelve coupled driving wheels, and one pair of trailing wheels.

The telephone number for emergency services on all GSM cell phones and in the EU, Russia, United Kingdom, Ireland, India, Indonesia, Turkey, Ukraine, Cameroon, Ghana, Guinea-Bissau, Kenya, Mali, Nigeria, Rwanda, Sao Tome, the Seychelles, Uganda, East Timor, Iraq, Kazakhstan, Kuwait, Tajikistan, Turkmenistan, Armenia, Azerbaijan, Moldova, North Macedonia, Vatican City, New Caledonia, Vanuatu, and Saint Vincent.

(physics) A stable isotope, ¹¹₅B, having five protons and six neutrons, that makes up about 80% of natural boron.

(physics) A stable isotope, ¹⁰₅B, having five protons and five neutrons, that makes up about 20% of natural boron; it is a good absorber of slow neutrons and is used as a radiation shield in Geiger counters

Under the Whyte notation system, a steam locomotive that has two leading wheels, six pairs of coupled driving wheels, and two trailing wheels.

Under the Whyte notation system, a steam locomotive that has two leading wheels, six pairs of coupled driving wheels, and four trailing wheels.

Under the Whyte notation system, a steam locomotive that has two leading wheels, five pairs of coupled driving wheels, and two trailing wheels.