barometer (n.)

• barograph
• canon
• check
• criterion
• degree
• feeler
• gauge
• glass
• hygrometer
• measure
• model
• norm
• parameter
• pattern
• probe
• quantity
• reading
• readout
• rule
• sample
• scale
• sound
• sounder
• standard
• test
• touchstone
• type
• value
• weathercock
• weatherglass
• yardstick