Definitions:

1. A symbol that marks a movie that is considered suitable for children of any age. NOUN
   • The majority of children's movies are rated 'G', which also stands for 'General Audience'.
2. In genetics, abbreviation for 'guanine', one of the four main nucleobases found in the nucleic acids DNA and RNA. ABBREVIATION
   • In the DNA molecule, G (guanine) pairs with C (cytosine) through hydrogen bonding, forming a stable G-C base pair that is fundamental to the double helix structure.
3. In the context of a standard piano keyboard, it's the fifth note of the C major scale. NOUN
   • She practiced the scales diligently, ensuring she could transition smoothly to the G note without hesitation.
4. The seventh letter of the English alphabet. NOUN
   • She taught her toddler that 'G' comes after 'F' and before 'H' in the alphabet.

Synonyms:

• g-force
• gee
• gm
• gram
• gramme