The chord symbol iii could be followed by the letter a to indicate that it is F# minor chord in root position (ie not inverted) - D major scale chord iiia. Instead, iii could be followed by the letter b to indicate that it is F# minor chord in 1st inversion - D major scale chord iiib.
According to the Centers for Disease Control and Prevention, a baby is considered an infant until he reaches one year of age. During this stage, the infant reaches several developmental milestones.
a child during the earliest period of its life, especially before he or she can walk; baby. Law. a person who is not of full age, especially one who has not reached the age of 18 years; a minor. a beginner, as in experience or learning; novice: The new candidate is a political infant. anything in the first stage of existence or progress. of or relating to infants or infancy: infant years.