('Brit') The teacher asked the students to write down their 'particulars' [=personal facts, such as their names and addresses] on a sheet of paper.
('US, law') The court ordered the state to file a 'bill of particulars'. [=a detailed list of the charges or claims made in a legal case]
He's a brilliant pianist known for his recordings of Bach, 'in particular' his recording of the Goldberg Variations.
(..) Down in Strucker's lab I saw some fairly advanced robotics work. They deep-sixed the data, but... ...I gotta guess he was knocking on a very particular door. Artificial intelligence. This could be it, Bruce. This could be the key to creating Ultron. I thought Ultron was a fantasy. (..)2015 Avengers: Age of Ultron