Those who study the fundamental nature of reality, including such concepts as being, substance, essence, time, space, cause, and identity; refers especially to those who create or develop metaphysical theories.

metaphysicians(P,,U,English-P,D,U,PN)
metaphysician(,U,English-NP,AD,U,SN)
metaphysician's(,U,English-NP,AD,U,N)
metaphysicians'(,U,English-NP,AD,U,N)
metaphysicists(,U,English-NP,UF,U,N)
metafysici(P,,U,Dutch-P,D,U,U)
metafysicus(,U,Dutch-NP,AD,U,U)
metafísicos(P,,U,Spanish-P,D,U,PN)
metafísico(,U,Spanish-NP,AD,U,SN)
metafísica(ocupación)　(,U,Spanish-NP,UF,U,SN)
形而上學家(P,,U,Chinese (traditional)-P,D,U,U)
玄學家(,U,Chinese (traditional)-NP,AD,U,U)
hsing erh shang hsüeh chia(P,,U,Chinese (transliterated Wade-Giles)-P,UF,U,U)
xíng ér shàng xué jiā(P,,U,Chinese (transliterated Hanyu Pinyin)-P,UF,U,U)
xing er shang xue jia(P,,U,Chinese (transliterated Pinyin without tones)-P,UF,U,U)

Top of the AAT hierarchies
....Agents Facet
........People
............people (agents)
................<people by occupation>
....................<people in the humanities>
........................philosophers
............................metaphysicians

field of study/discipline is....

metaphysics

Dutch....	Personen die de fundamentele aard van de realiteit bestuderen. Het betreft concepten zoals het zijn, materie, tijd, ruimte, oorzaak en identiteit. De term heeft vooral betrekking op degenen die metafysische theorieën opstellen of ontwikkelen.
Spanish....	Aquellos que estudian la naturaleza fundamental de la realidad, incluyendo conceptos como ser, substancia, esencia, tiempo, espacio, causa e identidad; se refiere especialmente a aquellos que crean o desarrollan teorías metafísicas.
Chinese (traditional)....	對實在的基本要素進行研究的人員，研究主題包括存有、實質、本質、時間、空間、因由和本體等概念；特別指開創或發展出形而上理論的人員。

metaphysicians............	[VP]
.................	Oxford English Dictionary (1989)
.................	Webster's Third New International Dictionary (1961)
.................	Random House Unabridged Dictionary (1993)
metaphysician............	[VP]
.................	Getty Vocabulary Program rules
metaphysician's............	[VP]
.................	Getty Vocabulary Program rules
metaphysicians'............	[VP]
.................	Getty Vocabulary Program rules
metaphysicists............	[VP]
.................	Random House Unabridged Dictionary (1993)
metafysici............	[Bureau AAT]
.................	AAT-Ned (1994-)
metafysicus............	[Bureau AAT]
.................	AAT-Ned (1994-)
metafísicos............	[VP]
.................	Getty Vocabulary Program rules
metafísico............	[VP]
.................	TAA database (2000-)
metafísica(ocupación)............	[VP]
.................	Ferrater, Diccionario de Filosofía. 4 Vol. (2001) 3:2379
形而上學家............	[AS-Academia Sinica]
.................	智慧藏百科全書網 December 16, 2011
.................	文馨活用英漢辭典 p. 1117
玄學家............	[AS-Academia Sinica]
.................	文馨活用英漢辭典 p. 1117
hsing erh shang hsüeh chia............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
xíng ér shàng xué jiā............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
xing er shang xue jia............	[AS-Academia Sinica]
.................	TELDAP database (2009-)
Subject:............	[AS-Academia Sinica]
.................	Bureau AAT, RKD

Getty AAT: 300025572 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300025572
ASDC Union Catalog： metaphysicians 、metaphysician 、metaphysician's 、metaphysicians' 、metaphysicists 、metafysici 、metafysicus 、metafísicos 、metafísico 、metafísica 、形而上學家 、玄學家 、hsing erh shang hsüeh chia 、xíng ér shàng xué jiā 、xing er shang xue jia