erase the last Lojban word, treating non-Lojban text as a single word.

- jvisrbipmo in sense "(Le Système international d'unités; International System of Units) Bureau international des poids et mesures"
- x
_{1}is the BIPM (French: Bureau international des poids et mesures; English: International Bureau of Weights and Measures) designation/result/standard/code for topic x_{2}applied to specific case/individual/group/entity/idea/thing x_{3}according to rule/BIPM specification x_{4}published by/according to mandating organization x_{5}(default: BIPM) - sornai zei raurci'e in sense "International System of Units"
- x
_{1}is the SI (International System of Units), defining units x_{2} - zo si si zei fa'o in sense "lojban cmavo"
- x
_{1}is a nonsense zei-lujvo using parts x_{2}, silly by standard x_{3}.

- canratni
- x
_{1}is silicon (Si) - sornairauci'e
- x
_{1}is the SI (International System of Units), defining units x_{2} - si'oi
- erases a SI, SA or SU cmavo; is to "redo" as SI/SA/SU is to "undo".
- cmavrsi
- x
_{1}is the selma'o "SI". - dikckulome
- x
_{1}is an electric charge which measures x_{2}(li; default: 1) coulombs by standard/under convention x_{3}(default: SI definition, except the charge of the proton is negative).

- ronro
- x
_{1}is 10^27 of x_{2}in dimension/aspect x_{3}(default is units). - vicma'o
- x
_{1}is an eraser word - nulpa
- x
_{1}is 1 [1×10^{0}] of x_{2}in dimension/aspect x_{3}(default is units). - ta'u'i
*(exp!)* - Copy and paste the overall seltau of immediately preceding sumti at this location.
- kaunmei
- x
_{1}(collection, body, set, mass, tuple, n-some, etc.) is x_{2}(li; default: 1) indivisible/atomic/elementary/basic discrete entities (or particles) of type x_{3}in composition/content, by standard x_{4}; the count of instances of x_{3}in x_{1}is x_{2}by standard x_{4}. - klaicnampe
- x
_{1}measures to be x_{2}[li; number] Joule-seconds by standard x_{3} - klaisirmpe
- x
_{1}measures to be x_{2}[li; number] kilogram-meters-per-second by standard x_{3} - nebmaugi
- x
_{1}is a part of Lojban text representing rule 'null' - plankexu
- x
_{1}is the elementary unit (quantum) of angular momentum/half of Planck's reduced constant [id est: hbar/2 = h/(4 pi)] expressed in units x_{2}(default: unitless/dimensionless and so that it is equal to 1) in paradigm/system/metaphysics/universe x_{3}(default: this, our actual, physical universe) - xaudbo
- x
_{1}is \sqrt(A) [decimal: 1×10^{+(1/2)}] of x_{2}in dimension/aspect x_{3}(default is units).