单词 | positioner |
释义 | positioner[ puh-zish-uh-ner ] / pəˈzɪʃ ə nər / nouna person or thing that positions. Orthodontics. a removable device of resilient plastic material worn in the mouth usually during sleep to produce minor adjustments in the position of teeth after straightening appliances have been taken off. Origin of positionerFirst recorded in 1930–35; position + -er1 Words nearby positionerpositional notation, positional nystagmus, position angle, position audit, position effect, positioner, positioning, position isomer, position line, position paper, position sense Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for positioner
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