圓角台階(凸面台階) bullnose steps(commode steps)
範圍註 ：
通常在樓梯段最底端的台階，其一側或兩側呈半圓弧形，突出於階梯邊樑以及樓梯支柱。
詞彙 ：
圓角台階(凸面台階) (P,,U,繁體中文-偏好,D,,)
yüan chiao t'ai chieh (P,,U,韋氏拼音-偏好,UF,,)
yuán jiǎo tái jiē (P,,U,漢語拼音-偏好,UF,,)
yuan jiao tai jie (P,,U,漢語拼音(無聲調)-偏好,UF,,)
bullnose steps(commode steps) (P,,U,英文-偏好,D,U,PN)
bullnose step(,U,英文-非偏好,AD,U,SN)
bullnosed steps(,U,英文-非偏好,UF,U,N)
bull-nosed steps(,U,英文-非偏好,UF,U,N)
bull-nose steps(,U,英文-非偏好,UF,U,N)
steps, bullnose(,U,英文-非偏好,UF,U,N)
balanced steps(commode steps) (,U,英文-非偏好,UF,U,N)
treden met ronde top(P,,U,荷蘭語-偏好,D,U,U)
trede met ronde top(,U,荷蘭語-非偏好,AD,U,U)
escalónes oscilantes(P,,U,西班牙語-偏好,D,U,PN)
marchiapiés redondeado(,U,西班牙語-非偏好,AD,U,PN)
escalón oscilante(,U,西班牙語-非偏好,AD,U,SN)
marchiapié redondeado(,U,西班牙語-非偏好,AD,U,SN)
yüan chiao t'ai chieh (P,,U,韋氏拼音-偏好,UF,,)
yuán jiǎo tái jiē (P,,U,漢語拼音-偏好,UF,,)
yuan jiao tai jie (P,,U,漢語拼音(無聲調)-偏好,UF,,)
bullnose steps(commode steps) (P,,U,英文-偏好,D,U,PN)
bullnose step(,U,英文-非偏好,AD,U,SN)
bullnosed steps(,U,英文-非偏好,UF,U,N)
bull-nosed steps(,U,英文-非偏好,UF,U,N)
bull-nose steps(,U,英文-非偏好,UF,U,N)
steps, bullnose(,U,英文-非偏好,UF,U,N)
balanced steps(commode steps) (,U,英文-非偏好,UF,U,N)
treden met ronde top(P,,U,荷蘭語-偏好,D,U,U)
trede met ronde top(,U,荷蘭語-非偏好,AD,U,U)
escalónes oscilantes(P,,U,西班牙語-偏好,D,U,PN)
marchiapiés redondeado(,U,西班牙語-非偏好,AD,U,PN)
escalón oscilante(,U,西班牙語-非偏好,AD,U,SN)
marchiapié redondeado(,U,西班牙語-非偏好,AD,U,SN)
層面/層級編碼： V.PJ
層級架構：
藝術與建築詞典根目錄 ....物件層面........組件 (層級名)............成分................<依特定背景區分之組件>....................建築元素........................<流通元素>............................<階梯與階梯結構>................................<階梯結構>....................................<台階與台階結構>........................................台階............................................凸面台階 (台階)
................................................圓角台階 (凸面台階)
其他範圍註 ：
| 英文.... | Steps, usually the lowest in a flight, having one or both ends rounded to a semicircle and projecting beyond the face of the stair string and the newel. |
| 荷蘭語.... | Meestal de laatste treden van een trap, waarvan één of beide uiteinden gerond zijn tot een halve cirkel en die buiten het oppervlak van de trapboom en de trapspil uitsteken. |
來源與貢獻者：
| 圓角台階(凸面台階)............ | [AS-Academia Sinica] |
| ................. | AAT-Taiwan 借詞編輯與使用原則 (2013) |
| bullnose steps(commode steps)............ | [VP] |
| ................. | Smit, Means Illustrated Construction Dictionary (1985) |
| ................. | Sturgis, Dictionary of Architecture and Building (1902) 3:619 |
| ................. | Random House Dictionary of the English Language (1987) |
| bullnose step............ | [VP] |
| ................. | Getty Vocabulary Program rules |
| bullnosed steps............ | [VP] |
| ................. | Getty Vocabulary Program rules |
| bull-nosed steps............ | [VP] |
| ................. | Harris, Historic Architecture Sourcebook (1977) illustration, 76 |
| bull-nose steps............ | [VP] |
| ................. | Getty Vocabulary Program rules |
| steps, bullnose............ | [VP] |
| ................. | Getty Vocabulary Program rules |
| balanced steps(commode steps)............ | [VP] |
| ................. | Tesauro de Arte & Arquitectura (2000-) |
| treden met ronde top............ | [Bureau AAT] |
| ................. | AAT-Ned (1994-) |
| trede met ronde top............ | [Bureau AAT] |
| ................. | AAT-Ned (1994-) |
| escalónes oscilantes............ | [VP] |
| ................. | Getty Vocabulary Program rules |
| marchiapiés redondeado............ | [CDBP-DIBAM] |
| ................. | Comité, Plural del término en singular |
| escalón oscilante............ | [VP] |
| ................. | Tesauro de Arte & Arquitectura (2000-) |
| marchiapié redondeado............ | [CDBP-DIBAM] |
| ................. | TAA database (2000-) |
| Subject:............ | [Bureau AAT] |
| ................. | Putnam and Carlson, Architectural and Building Trades Dictionary (1974) bull-nose starting steps |
| ................. | Bureau AAT, RKD |
外部連結：
Getty AAT: 300003316
Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300003316
聯合目錄： 圓角台階 、yüan chiao t'ai chieh 、yuán jiǎo tái jiē 、yuan jiao tai jie 、bullnose steps 、bullnose step 、bullnosed steps 、bull-nosed steps 、bull-nose steps 、steps, bullnose 、balanced steps 、treden met ronde top 、trede met ronde top 、escalónes oscilantes 、marchiapiés redondeado 、escalón oscilante 、marchiapié redondeado
聯合目錄： 圓角台階 、yüan chiao t'ai chieh 、yuán jiǎo tái jiē 、yuan jiao tai jie 、bullnose steps 、bullnose step 、bullnosed steps 、bull-nosed steps 、bull-nose steps 、steps, bullnose 、balanced steps 、treden met ronde top 、trede met ronde top 、escalónes oscilantes 、marchiapiés redondeado 、escalón oscilante 、marchiapié redondeado
引用：
[圓角台階(凸面台階) bullnose steps(commode steps)(編號300003316)]。《藝術與建築索引典》。http://aat.teldap.tw/AATFullDisplay/300003316（2024/10/06瀏覽）。