(archaic) Error-ridden Morse code transmitted by an inexperienced or inept operator

plural of horse-yard

(chiefly Australia) A fenced enclosure or pen for horses.

Third-person singular simple present indicative form of bottom the house

simple past tense and past participle of bottom the house

present participle of bottom the house

A shielded chamber specifically built to store highly radioactive substances.

plural of hot cell

A caution that the activity being described or demonstrated is not safe for ordinary members of the public to attempt.

plural of hot bench