1 (Windows 7 starter edition does not support AVCHD files out of the box, and so requires a third-party player.) In editions of Windows 7 that do support AVCHD files, Windows Media Player can index content in these files, and Windows Explorer can create thumbnails for each clip.
2. infantile-of or relating to infants or infancy; infantile paralysis. 3. infantile-being or befitting or characteristic of an infant; infantile games. young, immature - (used of living things especially persons) in an early period of life or development or growth; young people.
infant, n/adj a child who is in the earliest stage of extrauterine life, a time extending from the first month after birth to approximately 12 months of age, when the baby is able to assume an erect posture; some extend the period to 24 months of age.