sextant

Converse of object

• use: Measure the altitude of Polaris above the northern horizon, using the sextant.
• have: We have a sextant which I used to use every week for practice.
• include: In the case to the side are many instruments including the first sextant, made by John Bird in about 1757.

Adjective modifier

• marine: This was rapidly developed into the modern marine sextant.
• posterior: Table 1 illustrates these differences for the test and control brushes for the anterior and posterior sextants of the mandible and maxilla.

Modifies a noun

• observation: It is only after several minutes of sextant observation that the navigator decides that he has witnessed the passing of maximum altitude ( i.e.