1. (noun) the fractional change in length or area or volume per unit change in temperature at a given constant pressure

• coefficient of expansion

2. (noun) a quality characterized by magnificence of scale or the tendency to expand

• expansiveness

3. (noun) a friendly open trait of a talkative person

• effusiveness
• expansiveness

1. (noun) the fractional change in length or area or volume per unit change in temperature at a given constant pressure

• coefficient

2. (noun) a quality characterized by magnificence of scale or the tendency to expand

• grandness
• impressiveness
• magnificence
• richness

3. (noun) a friendly open trait of a talkative person

• communicativeness

1. (noun) a quality characterized by magnificence of scale or the tendency to expand

• expansive
• expansive
• expansive
• grand
• grand
• heroic
• heroic

2. (noun) a friendly open trait of a talkative person

• burbling
• burbly
• effusive
• gushing
• expansive
• expansive
• talkative
• talkative