`_`	(the underscore) is the placeholder for exactly one character.
`%`	(the percent sign) is the placeholder for no, one or more than one character.
`%%`	(two percent signs) is the placeholder for no, one or more than one character, but not for blank space (so that a search ends at word boundaries).

فلك معدّل النهار ‘equator’

Arabic

Translation of:
References:	PH Morelon: I.3:1, 19:4-5
Greek:	ἰσημερινός [Alm. Heiberg: I.5, 17:18; I.8, 18:20. – PH Heiberg: I.3:1, 74:6; I.4:3, 76:9]
Modern translations:
French:	orbe de l'équateur [PH Morelon: I.3:1, 18:7]
German:	Sphäre des Tagesgleichers / Äquator [PH Nix: I.3:1, 75:7-8]
Synonyms:
الدائرة الاستوائية	[Alm. MS Tunis: ]
دائرة معدّل النهار	[Plan. Sidoli+Berggren: ?]
معدّل النهار	[Plan. Sidoli+Berggren: 18, 30, 46, 133, 157, 425]
معدّل النهار	[Alm. MS Tunis: . – PH Morelon: I.4:3, 21:6]