Plural form of reflection

A personal record of occurrences, experiences, and reflections kept on a regular basis; a diary, An official record of daily proceedings, as of a legislative body, A book of original entry in a double-entry system, listing all transactions and indicating the accounts to which they belong

using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs

using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs